Features: A3 LED light box drawing tracing board, large light area, perfect for stenciling, scrapbook, sketching, tattooing drawing, Diamond Jewel Paint etc. Eye-protecting even light, long press the button, stepless brightness control for adjusting to a optimum light degree. Smart brightness memory function, turn on and automatically enter into the brightness of your last use. Compact structure delicate design, 5mm of thickness, approx. 46 * 30cm / * 9.3in of all frame. High transparent acrylic panel with great toughness durability. Micro USB interface for power supply, comes with a USB cable but the adapter is not included. Easy to use, insert the plug turn it on, then you can start your creative work. Specifications: Material: Acrylic Light Type: LED Light Adjustment: Stepless Dimensions: Approx. 46 * 30 * 0.5cm / 18.1 * 11.8 * 0.2in Lighted Area: Approx. 42 * 30cm / 16.5 * 11.8in Thickness: 0.5cm / 0.2in Wire Length: Approx. 190cm / 74.8in Interface: Micro USB Power: 5V 1-3A Item Weight: 650g / 22.9oz Package Size: 49 * 33 * 4cm / 14.2 * 9.4 * 1.6in Package Weight: 670g / 23.6oz Package List: 1 * A3 Light Board 1 * USB Cable Note: 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 doesn't match the product. You can solve the problem by replacing the charger, charging treasure or computer interface. The memory function doesn't work if the power supply has cut off.