LED: 20lm±10% 

Powered by: 1200mAh Li-ion battery/3A dry battery

Functions/ features: 

Button Function: OFF / ON-constant light mode-AUTO-sensor mode

Sensing mode: In low light environment, the light turns on when people approach, and it turns off automatically in about 20 seconds after people leave, and the sensing distance is 3-5 meters

Built-in Magnets. No wiring, no punching. 

Unique design.