Function: 1 3-level dimmer buttons with strong, medium and low dimmer to adjust as needed 2. The USB interface can be connected to any USB port, and can easily turn on/off power via USB cable 3. Ultra-thin and lightweight design with 0.7cm thickness, convenient to carry 4. Great for art workers and painting enthusiasts, very convenient drawing board 5. Strict quality control and quality assurance, high safety rate, you can rest assured to use Specifications: Item Type: Copyboard Material: Plastic Application: Painting Frame Size: Approx. 14.1 x 9.3in Working Area: Approx. 31.2 x 21.0cm / 12.3 x 8.3in Thickness: Approx. 0.6cm / 0.2in Material: Light Board + Plastic Light Source: LED Voltage: 5V Dimmable. Touch a > Dimmer Power: 4-4.5W Number of Lights: 30 LUX: 2900 Package List: 1 x Copy Board 1 x USB Cable 1 x English User Manual Note: The new and old type of this item will be sent randomly, please do not mind before ordering.