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 lights, make it easier to store the remotes and easier to find them, no worries missing remote anymore TECOMLIGHT puck lights are powered by AA batteries, make it possible to add lighting to almost any dark corners of your house, no worries any more in power outages only if you have these portable lights and AA batteries in hands. Very easy to use with their tap on & off and remote control features. For dry locations use only, not for use in wet or damp locations.