Dusk to Dawn Photocell Sensor LED Lights Bulbs ETL listed

Dusk to dawn sensor light bulb equivalent 40W Edison/incandescent bulb with an extra photocell adaptor or socket. The sensor bulb with built in photocell sensor parts will detect the light intensity, Automatic light On at night, turn off in daytime, Solve the problem when forgetting turn off light after leaving home in daytime and no light when back home in the evening. Invisible built-in light sensor parts, you will not see any extra components, nice look and same shape as traditional bulb, built-in sensor parts not request any installation direction to detect light, more convenient used for different fixture: porch garage patio hallway, front door light. Filament LED source and clear cover, same style vintage Edison bulb and incandescent bulb, 360 °lighting area, no extra heat sink and body, E26 screw base, easy to install and widely applicants, reliable quality products certificates with ETL listed Energy efficient, 85% less energy used, replace 60W halogen bulb with only 4W LED, 15000hours lifetime over 10 times longer than traditional bulb, save your cost and time to change bulb frequently. Zero purchase risky, 7 x 24 hours customer service, 30days money back guarantee and 12 month warranty.