13 levels of brightness, which can be adjusted according to your needs, just press and hold the touch switch for a few seconds. 2Improve drawing skills, help children write letters and numbers, and stimulate interest in painting, calligraphy, tracing pictures, etc. 3Light box with energy efficient flickerfree LED lamps, provides a perfectly even illustrated surface. Ultralightweight and ultrathin design, convenient to carry. 4The USB interface can be connected to any USB port, and the power can be easily turned on/off via a USB cable. 5Equipped with highquality eye protective film, making the light is more white and even, so that your eyes are not easy to fatigue. Item Type: LED Copy Board Material: Acrylic + Plastic Function: Improve drawing skills, help children write letters and numbers, and stimulate interest in art, diamonds painting, painting, writing calligraphy, tracing pictures, graffiti, etc. Size: Approx. 23.4 x 35.2cm/9.2 x 13.9in Thickness: Approx. 0.7cm/0.3in (manual measurement, there may be slight errors) Gears: 3 gears Light Source: LED Scale Size: Yes 1 x Drawing Board 2 x Clips 1 x Bag 1 x USB Cable