Product Title:A3-A4-A5 LED Painting Tracing Board Copy Pad Panel Drawing Tablet Sketch Boards Art Artcraft Stencil Ns2. -Made of hardened acrylic material ultra-thin design wear-resisting. -5V safe power design and low power consumption. -High quality output power adapter ensures stable voltage. -USB cable can connect with power bank or computer as power supply. -Light weight easy to carry and more convenient to use. -Uniform gentle lighting is healthy and harmless to eyes. Specifications: Material: Acrylic USB Input Voltage: DC 5V Adapter Input Voltage: 100V~240V Adapter Type: USB plug Whole Size: 33.5 x 23.3cm / 13.18 x 9.17 Working Area Size: 31.1 x 23.8cm / 12.24 x 9.37 Thickness: 0.47cm / 0.18 Weight: 423g(approx.) Package Includes: 1 x LED Drawing Board 1 x USB Note: 1. Handle with care. Do not use sharp metal objects please to prevent scratch on work surface. 2. Use on a security and stable platform. After use please stored in a safe and dry place. 3. If the light is flicking after powered on it means the power input doesn't match with this product. You may replace the charger charging treasure or computer interface. Due to different measurement methods, please allow a measurement error of 2-3cm. Due to the problem of shooting tools and light, please allow the color difference between the picture and the product.