Features: 1.Provide USB cable and adapter (the adapter is US Plug wide voltage 100-240V). Powered by the USB cable, it is convenient to connect to any USB port, such as a computer or even a mobile power supply. 2.Firm sensor on-off design, you can turn on, turn off and control the brightness with just a light touch. Ultra?bright LED lights provide a perfectly uniform lighting appearance. 3.The light is adjustable, the brightness can be adjusted, and the lighting can be easily changed by pressing and holding the switch key. 4.Ideal for templates, 2D animation, calligraphy, embossing, scrapbooking, tattoo transfer, sketching and painting, sewing projects, stained glass, quilting, etc. 5.Thickness of this tracing light box is only 6mm, which is easy to carry. Much larger than A4, it is very suitable for larger painting art projects. specification:Item Type: Light Pad Material: Acrylic Function: Painting / Tracing / Copying Appearance Size: Approx. 46.5 x 33.7 x 0.6cm / 18.3 x 13.3 x 0.2in Work Area Size: Approx. 42 x 31cm / 16.5 x 12.2in USB Cable Power: 5-10W USB Cable Input Voltage: 5V Adapter Voltage: US Plug Wide Voltage 100-240V Lamp Beads: 92 Power Supply: USB Cable PackageList: 1 x Light Pad 2 x Clip 1 x USB Cable 1 x Adapter NoteManual measurement, there is a small error.