BATTERY LIGHT - No wiring required, safe and convenient, each puck light requires 3 AA batteries (not included), high brightness up to 100 lumens, can light up any dark corner in your home. TWO WAYS TO INSTALL - Adhesive pads and screws are included in the package. Just peel and stick to get the light you want. Or use screws if necessary. Ideal for kitchens, shelves, garages and more. Press and Remote - Short press lens to turn on and change light color, long press (2 seconds) to turn off. Use the remote control to customize your favorite light color from 16 static light colors and 4 dynamic light modes, three-level brightness adjustment. TIMER FUNCTION - Use the remote control to set the puck light to turn on turns off after 30, 60, 180 or 360 minutes. Without any operation, it will turn off automatically after 4 hours to save energy. Remote Control Holder - Comes with 1 wall-mounted remote control holder, which can hold 2 small remote controls, install the holder near the lamp, it is convenient to store the remote and find it easier, never worry about losing the remote.blackProduct dimensions 7.5L x 7.5W x 3H cm