Dusk to Dawn Auto On/OffNo App, no manual control/settings required, featuring advanced photocell sensors, these light sensing bulbs are carefree to use for exterior lighting fixtures. All you need to do is keep the power switch on and let them be. Rest assured, they will automatically illuminate at dusk and extinguish at dawn, adjusting to the surrounding brightness. Note: These bulbs are non-dimmable.

Save 50% More than OthersQualilux takes the lead in reducing energy waste by incorporating an advanced smart driver chip within our bulbs. This intelligent feature automatically reduces energy consumption by 50% after 6 hours of operation and maintaining 70% brightness for the remainder of the night, considering that most people are asleep and require less light during this time. Qualilux aims to promote efficient energy usage and minimize unnecessary waste by pioneering this function.

Work with Frosted Shade and Recessed New generation of sensing technology, work with frosted shade fixture. 360degree Light Sensing. The angle it senses sunlight is as wide as same as it emits light. Don't need to worry the sensing direction during screwing in. Very easy to install and perfect to work in a recessed luminaire.

Support Close ArrangementThanks to QUALILUX's unique technology, these A19 light sensing bulbs are able to distinguish between their own light and other sources of light, providing an ideal solution for situations where two or more bulbs are closely arranged such as multi sockets post light and celling light, ensuring they do not interfere with each other. Please note that this function is exclusive to QUALILUX Dusk to Dawn Bulbs. It doesn't work with bulbs from other brands.

Support Close ArrangementThanks to QUALILUX's unique technology, these A19 light sensing bulbs are able to distinguish between their own light and other sources of light, providing an ideal solution for situations where two or more bulbs are closely arranged such as multi sockets post light and celling light, ensuring they do not interfere with each other. Please note that this function is exclusive to QUALILUX Dusk to Dawn Bulbs. It doesn't work with bulbs from other brands.

Longevity and Warranty Assurance Enjoy a lifespan of up to 25,000 hours with these bulbs. Backed by a 3-year warranty, our commitment to premium quality ensures your satisfaction. Receive prompt replacement for any quality issues with our 100% satisfied service. 36-month replacement policy for peace of mind.