Features: 1.USB power supply, equipped with a USB cable, directly connected to a wall socket computer, mobile power supply or USB plug to easily power the light box. 2.The brightness is adjustable, so you can set rhinestone copy board to your liking. 3.Touch sensor design, you can easily control the brightness just by touching it. 4.Flicker?free super bright and durable LED light, very suitable for templates, 2D animation, calligraphy, embossing, etc. 5.Eyesight?protective design,light box with energy efficient flicker?free led lamps, provides a perfectly even illustrated surface. specification:Item Type: Light Pad Material: Acrylic Function: Painting/Copying/Copying Appearance Size:Approx. 33.3 x 21.5cm / 13.1 x 8.5 in (Manual Measurement, There is a Small Error) Work Area Size: Approx.30 x 21.5cm / 11.8 x 8.5in (Manual Measurement, There is a Small Error) Power: 5W Input Voltage: 5V Power Supply: USB Cable Drawing Board Light: Promise Light (Long Press to Adjust the Brightness of the Light Source) PackageList: 1 x USB Cable 1 x Copy Board 1 x Scraper 1 x Point Drill Box 4 x Clips 2 x Aluminum Brackets 2 x Foot Pads