B22 Motion Sensor LED Bulbs: The LED bulbs have a built-in motion sensor that automatically turns off during the day and automatically turns on at night when motion is detected. Energy Saving: The luminous flux of this 12W LED bulb can reach 1020lm, 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, stairways, and more Extra long lifespan: B22 bayonet LED bulbs last up to 10 years, much longer than incandescent bulbs, reducing the hassle of frequently changing lights