Dusk to Dawn LED Light Bulb, 6 Watts 40W Equivalent Automatic on/off Light Sensing, A19 LED Soft White 2700K 500LM E26 Base Indoor/Outdoor Security Lighting for Porch, Hallway, 4 Pack

This sensor light bulb will lights up automatically at night, goes off during the day, so it can be used as the security light in your front door, porch, yard, patio. Rated 30000 hours lifespan, which reduces the frequency of re-lamp. No lead or mercury. No UV or IR. Instant on and no flicker. 6 Watts led dusk to dawn light sensor bulb can replace a 40 watt incandescent light bulb, save energy bills.