Feature: 1. [ADJUSTABLE LIGHT] 3 level brightness adjustment, soft light, uniform and stable without glare, bringing safe and comfortable painting environment. 2. [TOUCH CONTROL] With smart touch switch design, has high sensitivity, just touch the light to turn on the light and adjust the brightness. 3. [STANDARD SIZE] Ultra thin 3.5mm design and standard A4 copy board, suitable for A4 paper, with precise scale for good reference. 4. [WITH LED LIGHT] Built in LED light, through the illumination of the high transmittance light guide plate, can make the painting very clear. 5. [USB POWER SUPPLY] 5V USB low voltage power supply, compatible with mobile power supplies, chargers, laptops and other devices. Specification: Item Type: A4 Copy Board Product Size: Approx. 335 x 235 x 3.5mm / 13.2 x 9.3 x 0.1in Weight: Approx. 513g / 18.1oz Charging Method: USB Control: Touch Light Source: White Light Levels: 3 levels brightness Luminous Flux: 300-350LM Power: 3.5W Specification Color: Black Material: Acrylic + PC Applicable Paper Size: A4 Scale Range: Length: Approx. 0-29cm / 0-11.4in Width: Approx. 0-22cm / 0-8.7in Life: 50000H. Package List: 1 x Copy Board1 x User Manual 1 x USB Cable