《* No battey needed any more *Only Be Recharged by Android USB Cable included》- Rechargeable - Built-in lithium battery ,comes with USB cable, you can use it to charge it. Dual Mode Optional - ☼ mode and ☽ mode. Mode 1 (Motion Sensor) Light up as long as triggered by the motion;Mode 2 (Motion +Light Sensor) Only light up when triggered by the motion in the dark.When you choose ☼mode, the light will be on in the day and at night;If you choose ☽ mode, the light only be on in Dark Environment at night. Motion and Light Activated Sensor Smart Solution - Light up when you need it! Light up your place as long as triggered by the moving body or light during day or night. Three time adjustable,15s /130s/380s,Just choose what is right for you! Multi Purpose for closet,bed,stair,cabinet,wall etc. - You can use it anywhere you want, such as bedroom, dining room, stairway, washroom, cabinet, cupboard, sofa, furniture etc. What you get - 1 * LED Strip Light, 1 * Motion sensor, 1 * USB Cable, 1 * User Manual