2 PCS LED Flexible Strip Lights Human body induction Stick-on Anywhere By Aofit Multi-applications : Under cabinet , Shelf , Garage, wardrobe , Trunk of car etc. Human body induction: The black toggle is a sensor switch .The strip will automatically light when its infrared transducer us activated , and turn off after 25 seconds when you leave . You can also turn off the sensor switch , and light the strip with button on battery box . It is Flexible,safe,and easy to use , can be used as an emergency lighting when camping . Put AAA batteries in the battery box . Rip off the protective paper of the adhesive tape on the back , and mount the strip on.