JACKLY 10-led Wireless Motion Sensing Stick-on Anywhere Step LED Light Bar with Magnetic Strip, Pure White, 3-Pack Cabinet LED Light, Sensor LED light 80lm: the light will light up when you get within 3 meter of it and will go out 15 seconds after you walk out of its sensing range 3 pack Auto motion sensing LED light: 10 pcs bright white LED with super bright, long operating life, energy saving, and environmental friendly light. Battery Powered, PIR IR Sensing Battery require 4*AAA (not include) Please wait for 10 seconds to active the sensor for first time install the batteries.