Top Rated PAR38 Dusk to Dawn LED Spotlight Bulbs, Fits 6” Recessed Cans ✅DUSK TO DAWN - Sunco's PAR38 LED Dusk to Dawn Bulb powers on automatically at sunset. Leave the power on to activate the sensor. The photocell sensor detects light levels to act as an automated night light. Note: bulb is non-dimmable. ✅ VERSATILITY - This waterproof bulb suits indoor or outdoor applications such as driveways, basements, decks or garages. Fits 6” recessed cans. No more worry about accidentally leaving on lights. ✅ UL CERTIFIED - We uphold the highest standards by testing each product for optimal performance and safety. Our PAR38 LED bulbs with Dusk to Dawn sensor offer a longer lifetime than traditional bulbs (halogen, incandescent, fluorescent) and reduced relamping costs. Save energy (up to 85%) when you switch to LED. ✅ SUNCO BENEFITS - 5-Year Warranty! Sunco is proudly based in the USA and upholds the highest standards for all our products by testing each product for optimal performance and safety. Need help? Contact our knowledgeable specialists for product support. Not for sale in California.