The LEDs are 3000K and give off a warm white glow. Use the remote to turn the puck lights ON/OFF up to 15 ft. away. Control up to 12 puck lights with one remote. There is also an ON/OFF tap lens. Set the brightness to 50% or 100% with the preset dimmer buttons or use the - or + buttons to select the exact level of brightness. There is an optional timer that will automatically turn the lights off in 15 30 60 or 120 minutes. The puck lights mount with screws or adhesive tape both are included. The lights operate on 3 AA batteries 18 AA batteries included and have a run time of over 100 hours. The run time is 4 times longer than other battery operated puck lights. Measures 3.37 in. wide x 3.37 in. deep x 1.25 in. high.