Specifications:Material: AcrylicLight Type: LEDLight Adjustment: SteplessDimensions: Approx. 59 * 39 * 0.6cm / 23.2 * 15.4 * 0.2inLighted Area: Approx. 53 * 33cm / 20.9 * 13inThickness: 0.6cm / 0.2inWire Length: Approx. 190cm / 74.8inInterface: Micro USBPower: 5V 1-3AItem Weight: 1550g / 3.4lbPackage Size: 62 * 42 * 4cm / 24.4 * 16.5 * 1.6inPackage Weight: 1950g / 4.3lbPackage List:1 * A2 Light Board1 * USB CableNote:Please remove the protective cover before use it.We just supply you with a USB cable, you can powered with the universal phone adapter, power bank or computer USB interface. The package only includes the light board and USB cable.If the light is flicking after powered on, it is normal situation may caused by the input doesnt match the product. You can solve the problem by replacing the charger, charging treasure or computer interface.The memory function doesnt work if the power supply has cut off.