B22 LED Motion Sensor Bulbs: The LED bulbs have a built-in motion sensor that automatically switches off during the day and automatically switches on at night when motion is detected. Energy Saving: The luminous flux of this 12W LED bulb can reach 1020 lm, which is 3 times that of ordinary energy-saving lamps. Save 85% on your electricity bill, what more could you ask for? Easy to install: Bayonet bulbs are easy to install in standard B22 fittings or light sockets and are ideal for hallways, garages, entryways, staircases, and more. Extremely long lifespan: B22 bayonet LED bulbs last up to 10 years, much longer than incandescent bulbs, reducing the hassle of frequent light changes. Service: These B22 motion-activated LED bulbs are rigorously tested for material durability and longevity.