Specification Material: ABS Voltage: 5V LED wattage: 5W COB LED Battery ability : 500mAh Lamp Size: 12mm-52mm Remote Control Battery : 1 X CR2032(included) Switch Type: Tap or handheld remote control Control Distance: 10M Installation method: Magnetic adsorption Include:Lamp, Adhesive magnet, hand held remote control (with battery) 2 Control Ways