UPGRADE DUSK TO DAWN SENSOR - Eterbiz daylight dusk to dawn LED Bulbs are sensitive to the sun's ultraviolet rays and not affected by other light sources, so you can install them without thinking about whether they will be affected by other light sources. They will light up at night automatically and stay off during the day, saving the trouble of manual control.5000K DAYLIGHT SUPER BRIGHT - 900LM bright for daily lighting, CRI 80+, 5000K daylight without UV & IR, chemical-free, no odor, no buzz, no humming noise, no breakable parts, ensuring the safety of your family and the environment.ENERGY SAVING & 20,000HRS LONG LASTING - Eterbiz 9W light sensing bulbs have a longer lifespan of over 20,000 hours, and less power consumption, the 9W LED bulbs are equivalent to 60W traditional incandescent bulbs, saving 85%+ energy, reducing both electricity costs and frequent replacements.WIDE APPLICATION - Eertbiz E26 dusk to dawn porch light, easy to install, and is suitable for outdoor applications such as a garage, yard, porch, etc Please apply it into a space that can detect sunlight, turn the switch on and leave it alone. Light sensor makes your life more convenient.CUSTOMER SERVICE - We offer 24-hour email assistance and a one-year warranty. If you experience any problems with Eterbiz sunlight sensor LED bulbs, please feel free to contact us. Product Description E26 Base Dusk Dawn Bulb Eterbiz dusk to dawn LED bulb is with a standard American E26 screw-in base, which is easy to install without tools. Long Lifespan Auto ON/OFF Bulb Eterbiz dawn to dusk light bulbs have longer lifespans than traditional bulbs and other smart bulbs, reducing the cost of replacements. High CRI Light Sensing Bulb Although they are light-sensing bulbs, they have a high CRI of over 80, which make the environment more clear. 60 Watt Equivalent Porch Bulb Eterbiz Dusk to Dawn Light Bulbs outdoor only uses 9 watt energy, which equivalent to 60W, save 85% energy. A must-have basic security product Eterbiz Dusk to Dawn Light Sensing Bulb 900lm daylight, brighter than normal dusk dawn LED bulbs, CRI over 80, no glare, no flicker, make the environment more clear.Upgrade light sensor, only detects sunlight, not affected by other light, so no restriction on the installation distance between bulbs.Over 20,000 hours lifespan, 9W brightness equivalent to 60w. Energy saving and fewer replacements, save your money and cost.Turns on at night and off automatically during the day. Saves on electricity bills and manual control trouble.