AA Battery Operated: No wiring needed, safe and convenient, each puck light needs 3 AA batteries(not included), high brightness 100 lumens maximum to light up every dark corner of your house Flexible Installation Ways: Use our new style removable & traceless double-sided adhesive pads to stick on any smooth surfaces in seconds, or fix them with the included screws when necessary Tap & Remote Control: Short press the front cover to turn on & change color, long press to turn off. Use the remote to customize your favorite light color among 16 static colors and 4 dynamic modes, quick set brightness level to 30%, 70%, 100% Auto-Off Timer: To extend battery life, the default timer is 2 hours, if you leave them alone, they will stay on for 2 hours and turn off automatically. Also you can one-time set the timer among 30, 60, 180 or 360 minutes with remote controller Remote Control Holder: Comes with 1 wall mount remote control holder which can hold 2 small remotes, mount the holder near the