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 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.1 x Copy Board1 x User Manual1 x USB Cable Item Type: A4 Copy BoardProduct Size: Approx. 335 x 235 x 3.5mm / 13.2 x 9.3 x 0.1inWeight: Approx. 513g / 18.1ozCharging Method: USBControl: TouchLight Source: White LightLevels: 3 levels brightnessLuminous Flux: 300-350LMPower: 3.5WSpecification Color: BlackMaterial: Acrylic + PCApplicable Paper Size: A4Scale Range: Length: Approx. 0-29cm / 0-11.4inWidth: Approx. 0-22cm / 0-8.7inLife: 50000H