10 Best One To One Size Bulbs: Simple, Fun Energy Savers

What are the best one-to-one size bulbs?
We’re offering a guided selection of top one-to-one size bulbs that make upgrading your lighting simple, fun, and energy-saving.

Many users love how one-to-one size bulbs fit perfectly in old fixtures. They enjoy the easy swap from dull bulbs to bright LEDs. People share stories of saving money and energy every day.

We guide you to the best choices with trust and care. Discover top bulbs that make lighting simple and fun.

List of Top 10 One To One Size Bulbs

Image Title Best For Price
GE LED+ A19 Dusk to Dawn LED Light Bulbs, Automatic On/Off Outdoor Security Light, Soft White (2 Pack) GE LED+ A19 Dusk to Dawn LED Light Bulbs, Automatic On/Off Outdoor Security Light, Soft White (2 Pack)

These dusk to dawn bulbs are perfect for homeowners who want to boost security at their front door or backyard without much effort. They also suit business owners looking to save energy on outdoor lights while keeping things bright and safe after sunset.

Sphoon G40 1.5w Low Wattage Led Bulb Equivalent 15 Watt Standard E26 Base G14 Small Low Power Light Bulb, Frosted, Warm White 2700k, CRI 90+, 150lm, Pack of 2 Sphoon G40 1.5w Low Wattage Led Bulb Equivalent 15 Watt Standard E26 Base G14 Small Low Power Light Bulb, Frosted, Warm White 2700k, CRI 90+, 150lm, Pack of 2

These 1.5W LED bulbs are perfect for people who want a soft, warm light for night-time or cozy spots. They work well in bathrooms, bedrooms, or as bulbs in refrigerators and table lamps.

Sylvania Dusk to Dawn A19 LED Light Bulb with Auto On/Off Light Sensor, 60W=9W, 800 Lumens, 2700K, Soft White - 1 Pack (41288) Sylvania Dusk to Dawn A19 LED Light Bulb with Auto On/Off Light Sensor, 60W=9W, 800 Lumens, 2700K, Soft White – 1 Pack (41288)

This dusk to dawn LED bulb is perfect for homeowners who want safe, hands-free lighting in hallways, garages, and outdoor spaces. It’s also ideal for busy families needing automatic light without extra effort.

Sylvania LED Color Changing Light Bulb, Red/Blue/Green/Yellow/White, 2700K/5000K, RGBW Colored Light Bulbs, 8W, A19, E26 Medium Base - 1 Pack (42639) Sylvania LED Color Changing Light Bulb, Red/Blue/Green/Yellow/White, 2700K/5000K, RGBW Colored Light Bulbs, 8W, A19, E26 Medium Base – 1 Pack (42639)

This light bulb is great for anyone who wants to add some fun to their space. It is also good for families and those who like to have a good time with colors.

Amazon Basics PAR38 Dusk to Dawn Sensor LED Light Bulb, 120 Watt Equivalent, Energy Efficient 14W, E26 Standard Base, Daylight White 5000K, Non-Dimmable, 10,000 Hour Lifetime , 2-Pack Amazon Basics PAR38 Dusk to Dawn Sensor LED Light Bulb, 120 Watt Equivalent, Energy Efficient 14W, E26 Standard Base, Daylight White 5000K, Non-Dimmable, 10,000 Hour Lifetime , 2-Pack

This dusk-to-dawn sensor LED light bulb is perfect for homeowners who want bright, automatic outdoor lighting on their walkways, driveways, or porches without wasting energy or electricity costs. It’s also ideal for anyone aiming to save on bills with its 9-year lifespan and daylight white glow that works all night long.

GE Incandescent 240W Soft White A21 3-Way Bulb 1 Pack GE Incandescent 240W Soft White A21 3-Way Bulb 1 Pack

This GE Incandescent 3-Way Bulb is perfect for anyone who wants bright light. It’s great for indoor and outdoor spaces.

A19 Dusk to Dawn Sensor Light Bulbs Outdoor 100 Watt Equivalent, 11W Automatic On/Off LED Bulbs Warm White 3000K, 4-Pack 1200lumens Outdoor Smart Bulbs Photocell for Porch Garage Security, E26 Base A19 Dusk to Dawn Sensor Light Bulbs Outdoor 100 Watt Equivalent, 11W Automatic On/Off LED Bulbs Warm White 3000K, 4-Pack 1200lumens Outdoor Smart Bulbs Photocell for Porch Garage Security, E26 Base

This automatic sensor light bulb is perfect for homeowners who want secure and easy lighting for their garage, porch, or yard without worrying about switches. It’s also great for families needing bright, safe bulbs in hallways or basements to welcome people home at night.

Powfloven Cordless Rechargeable Battery Operated Light Bulbs with Remote, 1 Pack E26 Wireless LED Battery Powered Light Bulb for Non-Hardwired Lamps, 500LM, 3 Color Temperatures, Dimmable, Timer Powfloven Cordless Rechargeable Battery Operated Light Bulbs with Remote, 1 Pack E26 Wireless LED Battery Powered Light Bulb for Non-Hardwired Lamps, 500LM, 3 Color Temperatures, Dimmable, Timer

This Powfloven light bulb is perfect for anyone who wants easy lighting. It is great for camping or power outages.

Motion Sensor Light Bulbs, 13W (100Watt Equivalent), Motion Activated Dusk to Dawn Security LED Bulb, 5000K Daylight, Energy-Efficient, for Indoor and Outdoor Lighting, Porch, Stairs, Hallway 2Pack Motion Sensor Light Bulbs, 13W (100Watt Equivalent), Motion Activated Dusk to Dawn Security LED Bulb, 5000K Daylight, Energy-Efficient, for Indoor and Outdoor Lighting, Porch, Stairs, Hallway 2Pack

These Motion Sensor Light Bulbs are perfect for anyone who wants extra safety and convenience. They are great for homes and businesses alike!

SHINE HAI Dusk to Dawn Light Sensor Bulbs, A19 12W LED Auto On Off Light Bulbs, 1200 Lumens, E26 Base, Soft White 3000K Outdoor Indoor Lighting for Porch Garage Yard, 4-Pack SHINE HAI Dusk to Dawn Light Sensor Bulbs, A19 12W LED Auto On Off Light Bulbs, 1200 Lumens, E26 Base, Soft White 3000K Outdoor Indoor Lighting for Porch Garage Yard, 4-Pack

This light bulb is perfect for homeowners who want easy outdoor lighting. It helps save money on electric bills and turns on by itself at night.

Detailed Reviews

We picked the best one to one size bulbs based on expert reviews and user feedback. These top bulbs offer great value, easy use, and strong performance for your home. Read on to find the perfect bulb that fits just right.

1. GE LED+ A19 Dusk to Dawn LED Light Bulbs, Automatic On/Off Outdoor Security Light, Soft White (2 Pack)

GE LED+ A19 Dusk to Dawn LED Light Bulbs, Automatic On/Off Outdoor Security Light, Soft White (2 Pack)

GE LED+ A19 Dusk to Dawn bulbs turn on automatically at dusk for extra security. Install them easily in any standard outdoor fixture to save power and show your home is lived in.

These bulbs use a built-in sensor that detects light levels without needing an app or Wi-Fi. They replace a 60-watt bulb while using only 8.5 watts. The bulbs provide soft white light for your outdoor spaces or business.

LED technology lasts 22.8 years and cuts energy costs by up to $140. GE backs them with a 3-year warranty for peace of mind. This pack includes two bulbs – add them to your LED+ family today.

Pros Cons
  • Effortless installation with a simple screw-in design.
  • Automatic security that lights up at dusk for home safety.
  • Energy-efficient LED uses only 8.5 watts, saving $140 in costs.
  • Reliable operation backed by a 3-year warranty.
  • Long-lasting durability for up to 22.8 years of use.
  • Exposed sensor must face light.
  • Only two bulbs in pack.
  • Soft white only, no choices.

Perfect For:

These dusk to dawn bulbs are perfect for homeowners who want to boost security at their front door or backyard without much effort. They also suit business owners looking to save energy on outdoor lights while keeping things bright and safe after sunset.

Ready to Purchase?

2. Sphoon G40 1.5w Low Wattage Led Bulb Equivalent 15 Watt Standard E26 Base G14 Small Low Power Light Bulb, Frosted, Warm White 2700k, CRI 90+, 150lm, Pack of 2

Sphoon G40 1.5w Low Wattage Led Bulb Equivalent 15 Watt Standard E26 Base G14 Small Low Power Light Bulb, Frosted, Warm White 2700k, CRI 90+, 150lm, Pack of 2

Small size makes this bulb perfect for tight spaces. It glows with a soft warm light like a 15-watt bulb. Use it as a night light or for refrigerators.

This bulb gives cozy warmth at 2700K with 150 lumens. It fits bathrooms or bedrooms for a nice feel.

Screw it into E26 sockets for easy setup. It saves energy by using only 1.5 watts. Lasts 25,000 hours as decorative light in gardens or indoor spaces.

Pros Cons
  • Energy-saving design cuts bills by 85%.
  • Warm glow makes rooms cozy.
  • Easy to screw into sockets.
  • Small size fits night lights.
  • Long life of 25,000 hours.
  • Not bright enough for daily lighting tasks.
  • Low lumens mean it’s only for night lights.
  • Small size may limit where you can use it.

Perfect For:

These 1.5W LED bulbs are perfect for people who want a soft, warm light for night-time or cozy spots. They work well in bathrooms, bedrooms, or as bulbs in refrigerators and table lamps.

Ready to Purchase?

3. Sylvania Dusk to Dawn A19 LED Light Bulb with Auto On/Off Light Sensor, 60W=9W, 800 Lumens, 2700K, Soft White – 1 Pack (41288)

Sylvania Dusk to Dawn A19 LED Light Bulb with Auto On/Off Light Sensor, 60W=9W, 800 Lumens, 2700K, Soft White - 1 Pack (41288)

This dusk-to-dawn LED bulb has a built-in sensor that turns on automatically in low light. It lights up spaces like hallways, porches, and garages without flipping a switch. See true colors with its 80 CRI rating.
It saves energy as a 9-watt bulb that replaces 60-watt incandescents and lasts over 13 years. Enjoy a 3-year warranty and shop with confidence.

Pros Cons
  • Automatically turns on at dusk for easy safety.
  • Works indoors and outdoors for versatile lighting.
  • Energy-saving LED cuts yearly costs to $1.08.
  • Lasts up to 15,000 hours for lasting quality.
  • Backed by a 3-year warranty from SYLVANIA.
  • No dimming option – can’t adjust brightness.
  • Can’t ship to California – major limitation.
  • Sensor might activate in unwanted times.

Perfect For:

This dusk to dawn LED bulb is perfect for homeowners who want safe, hands-free lighting in hallways, garages, and outdoor spaces. It’s also ideal for busy families needing automatic light without extra effort.

Ready to Purchase?

4. Sylvania LED Color Changing Light Bulb, Red/Blue/Green/Yellow/White, 2700K/5000K, RGBW Colored Light Bulbs, 8W, A19, E26 Medium Base – 1 Pack (42639)

Sylvania LED Color Changing Light Bulb, Red/Blue/Green/Yellow/White, 2700K/5000K, RGBW Colored Light Bulbs, 8W, A19, E26 Medium Base - 1 Pack (42639)

This Sylvania LED Color Changing Light Bulb is fun. It offers five vibrant colors in one bulb. You can easily change the colors.

It is perfect for any event. This bulb uses just 8 watts of power.

The bulb is safe and built to last. It is designed for indoor use.

Pros Cons
  • Switch colors easily with one toggle.
  • Saves energy while shining bright.
  • Lasts 10,000 hours without hassle.
  • Stays cool and safe for kids.
  • Lights up instantly without flicker.
  • No remote control – manual switching only.
  • Limited color options – just 5 colors plus whites.
  • Not bright enough – only 800 lumens.

Perfect For:

This light bulb is great for anyone who wants to add some fun to their space. It is also good for families and those who like to have a good time with colors.

Ready to Purchase?

5. Amazon Basics PAR38 Dusk to Dawn Sensor LED Light Bulb, 120 Watt Equivalent, Energy Efficient 14W, E26 Standard Base, Daylight White 5000K, Non-Dimmable, 10,000 Hour Lifetime , 2-Pack

Amazon Basics PAR38 Dusk to Dawn Sensor LED Light Bulb, 120 Watt Equivalent, Energy Efficient 14W, E26 Standard Base, Daylight White 5000K, Non-Dimmable, 10,000 Hour Lifetime , 2-Pack

Light up your world with the Amazon Basics PAR38 Dusk to Dawn Sensor LED Light Bulbs. These bulbs turn on at dusk and off at dawn. They are perfect for outdoor lighting.

These LED bulbs are energy-efficient. They use only 14 watts of power. You can save money with these lights.

Each bulb lasts for 10,000 hours. That is over 9 years of use. Get yours today!

Pros Cons
  • Automatically turns on at dusk and off at dawn for easy lighting.
  • Saves $116 in energy costs over the bulb’s life.
  • Lasts 10,000 hours, over 9 years with daily use.
  • Bright daylight white light keeps outdoor areas safe and clear.
  • Uses only 14 watts to replace a 120-watt bulb.
  • Cannot use in enclosed fixtures.
  • Non-dimmable, no brightness control.
  • Needs direct sunlight for the sensor to work.

Perfect For:

This dusk-to-dawn sensor LED light bulb is perfect for homeowners who want bright, automatic outdoor lighting on their walkways, driveways, or porches without wasting energy or electricity costs. It’s also ideal for anyone aiming to save on bills with its 9-year lifespan and daylight white glow that works all night long.

Ready to Purchase?

6. GE Incandescent 240W Soft White A21 3-Way Bulb 1 Pack

GE Incandescent 240W Soft White A21 3-Way Bulb 1 Pack

This bulb shines with 3600 lumens of bright light. It gives a soft white glow at 2850 K. That creates a warm feel in any space.
It uses 240 watts for high power. Energy costs only about 28.91 dollars per year. It’s great for indoor or outdoor spots.
This rugged bulb lasts long. It fits many lights well.

Pros Cons
  • Super bright with 3600 lumens for any room.
  • Warm, soft white light creates a cozy feel.
  • Rugged build lasts through bumps and jolts.
  • Low yearly cost of just $28.91 saves you money.
  • Works inside or out in damp spots easily.
  • Higher electricity bills due to 240W usage.
  • Shorter lifespan than modern LED bulbs.
  • Generates a lot of heat while in use.

Perfect For:

This GE Incandescent 3-Way Bulb is perfect for anyone who wants bright light. It’s great for indoor and outdoor spaces.

Ready to Purchase?

7. A19 Dusk to Dawn Sensor Light Bulbs Outdoor 100 Watt Equivalent, 11W Automatic On/Off LED Bulbs Warm White 3000K, 4-Pack 1200lumens Outdoor Smart Bulbs Photocell for Porch Garage Security, E26 Base

A19 Dusk to Dawn Sensor Light Bulbs Outdoor 100 Watt Equivalent, 11W Automatic On/Off LED Bulbs Warm White 3000K, 4-Pack 1200lumens Outdoor Smart Bulbs Photocell for Porch Garage Security, E26 Base

These A19 Dusk to Dawn Sensor Light Bulbs are very useful. They are 100 Watt Equivalent and 11W LED bulbs. You can use them inside or outside.

These bulbs have a photocell sensor. This means they turn on and off automatically. They also provide warm white 3000K light.

They are safe and easy to use. They fit in an E26 base. Get yours today!

Pros Cons
  • Automatic sensor lights up at dusk.
  • Super bright 1200 lumen glow.
  • Warm white light for cozy feel.
  • Shatterproof design for safe use.
  • Wide fit for indoor and outdoor.
  • Interference issue: Can’t place two bulbs within 1.2m.
  • Light color limit: Only warm white available.
  • Sensor sensitivity: Might miss low light changes.

Perfect For:

This automatic sensor light bulb is perfect for homeowners who want secure and easy lighting for their garage, porch, or yard without worrying about switches. It’s also great for families needing bright, safe bulbs in hallways or basements to welcome people home at night.

Ready to Purchase?

8. Powfloven Cordless Rechargeable Battery Operated Light Bulbs with Remote, 1 Pack E26 Wireless LED Battery Powered Light Bulb for Non-Hardwired Lamps, 500LM, 3 Color Temperatures, Dimmable, Timer

Powfloven Cordless Rechargeable Battery Operated Light Bulbs with Remote, 1 Pack E26 Wireless LED Battery Powered Light Bulb for Non-Hardwired Lamps, 500LM, 3 Color Temperatures, Dimmable, Timer

The Powfloven Cordless Light Bulb brings light to any non-hardwired lamp. It offers 500 lumens of bright glow with a simple remote.

Pick from three color temperatures like cool white or warm white. Adjust with stepless dimming and enjoy up to 30 hours from the big 5000mAh battery.

Set a timer for 15 to 120 minutes to save power. Recharge it fast with USB-C. Use the portable hook to hang or carry it anywhere.

Pros Cons
  • Enjoy three color options with smooth dimming for perfect lighting.
  • Get bright 500 lumens lasting 12-30 hours on one charge.
  • Control easily via remote or simple touch.
  • Save energy with built-in timers from 15 to 120 minutes.
  • Recharge via USB and hang with portable hook for versatility.
  • Battery drains quickly on high brightness settings.
  • Remote control can be lost or misplaced easily.
  • Not as bright as standard wired light bulbs.

Perfect For:

This Powfloven light bulb is perfect for anyone who wants easy lighting. It is great for camping or power outages.

Ready to Purchase?

9. Motion Sensor Light Bulbs, 13W (100Watt Equivalent), Motion Activated Dusk to Dawn Security LED Bulb, 5000K Daylight, Energy-Efficient, for Indoor and Outdoor Lighting, Porch, Stairs, Hallway 2Pack

Motion Sensor Light Bulbs, 13W (100Watt Equivalent), Motion Activated Dusk to Dawn Security LED Bulb, 5000K Daylight, Energy-Efficient, for Indoor and Outdoor Lighting, Porch, Stairs, Hallway 2Pack

These Motion Sensor Light Bulbs bring smart lighting to your home. They turn on automatically when you move in the dark.

They use PIR technology with dusk-to-dawn sensors for night-only action. The bulbs last 20,000 hours and save 85 percent energy. Install them in hallways, porches, or garages for easy use.

They add extra security by lightening up for intruders. Enjoy bright, safe spaces inside and outside. Our 90-day return and 36-month warranty keep you happy.

Pros Cons
  • Motion-activated bulbs light up automatically at night.
  • Energy-saving LED lasts up to 20,000 hours.
  • Boosts security by startling uninvited guests.
  • Works indoors or outdoors for many spots.
  • Strong warranty covers you for 36 months.
  • Won’t activate in enclosed or recessed light fixtures.
  • Motion sensor may detect less if obstructed.
  • Not ideal for frosted or upside-down setups.

Perfect For:

These Motion Sensor Light Bulbs are perfect for anyone who wants extra safety and convenience. They are great for homes and businesses alike!

Ready to Purchase?

10. SHINE HAI Dusk to Dawn Light Sensor Bulbs, A19 12W LED Auto On Off Light Bulbs, 1200 Lumens, E26 Base, Soft White 3000K Outdoor Indoor Lighting for Porch Garage Yard, 4-Pack

SHINE HAI Dusk to Dawn Light Sensor Bulbs, A19 12W LED Auto On Off Light Bulbs, 1200 Lumens, E26 Base, Soft White 3000K Outdoor Indoor Lighting for Porch Garage Yard, 4-Pack

These SHINE HAI Dusk to Dawn Light Sensor Bulbs are very useful. They have a built-in light sensor. The bulbs will turn on and off automatically.

These LED bulbs save you money and energy. They have a long lifespan of over 25,000 hours.

You can use these bulbs anywhere. They are perfect for your porch or garage. They are easy to use.

Pros Cons
  • Bright and vibrant lighting for any space.
  • Automatically turns on at dusk and off at dawn.
  • Saves you money with energy efficiency.
  • Easy to install with a standard base.
  • Perfect for indoor and outdoor use.
  • Sensor sometimes turns on or off at wrong times.
  • Not adjustable for manual control in some cases.
  • Higher price than regular bulbs without sensors.

Perfect For:

This light bulb is perfect for homeowners who want easy outdoor lighting. It helps save money on electric bills and turns on by itself at night.

Ready to Purchase?

Buying Guide

People enjoy one-to-one size bulbs because they fit exactly into old fixtures. They love swapping out dull bulbs for bright LEDs without hassle.
Users share stories of lighting their porches at dusk automatically, saving money on energy bills, and feeling safe with motion-activated lights in hallways.
Bulb Type: Choose LED bulbs for long life and low energy use. They last years and cut costs compared to old bulbs.
Wattage Equivalent: Look for bulbs that match your old wattage, like a 9-watt LED replacing a 60-watt bulb. This keeps brightness the same while saving power.
Sensor Features: Pick bulbs with dusk to dawn sensors for automatic lighting outdoors. They turn on at night and add security without switches.
Color Temperature: Go for soft white or warm white for cozy indoor spaces. Cool white works best for bright outdoor areas.
Power Source: Consider cordless options for lamps not plugged in. Rechargeable bulbs offer 30 hours of light with easy USB charging.
Usage Location: Select bulbs for indoor or outdoor use as needed. They fit standard sockets for halls, porches, or garages.
Warranty and Lifespan: Check for 3-year warranties and long hours, like 25,000 for durability. This ensures peace of mind with quality bulbs.