Feature: 1. 3 LEVELS ADJUSTABLE BRIGHTNESS: Tracing light pad light adjustable, brightness adjustable in three levels, easy to replace the irradiation. 2. TOUCH SENSOR: Light touch can be turned on and off, brightness control, super bright LED lights provide perfect and uniform surfaces illumination. 3. USB POWER: The LED light pad can be easily connected directly to a wall outlet such as a computer, mobile power or USB port via the USB cable power switch. 4. WIDE RANGE OF USES: A4 light pad is suitable for stencil, 2D animation, calligraphy, embossing, scrapbooking, sketching and painting, sewing projects, stained glass, quilting, etc. 5. PLASTIC MATERIAL: LED drawing copy board is made of plastic, durable and smoothly surfaces for smoother use. Specification: Item Type: A4 Tracing Light Box Material: Plastic Rated Power: 3.5W Input Power: Mirco USB/5V Operating Current: 0.6A Product Light Source: LED Components. Package List: 1 x A4 Tracing Light Box1 x USB Data Cable1 x User Manual