1The drawing board has a thickness of 0.7cm, is ultra-light and ultra-thin, and is easy to carry. 2The drawing board has a threespeed dimming function of strong, medium and weak, which can be dimmed according to different needs. 3The drawing board has a USB interface, which can be connected to any USB port to easily turn on or off the power. 4The light box is equipped with energysaving nonflicker LED lights, the light is perfect and uniform, and it is not dazzling when working. 5Can be used for children's writing, drawing, writing calligraphy, tracing pictures, graffiti art, etc. Item Type: LED Light Board Material: Acrylic + Plastic Application: Improve drawing skills, help children write letters and numbers, and be interested in art, diamond painting, painting, writing calligraphy, tracing pictures, graffiti, etc. Thickness: Approx. 0.7cm / 0.3in (manually measured, there may be slight errors) Size: Approx. 35 x 23.4cm / 13.8 x 9.2in Color: 3 kinds Light Source: LED Scale Size: Yes How to use:Plug in the power and press the power button to use The brightness can be adjusted, just press and hold the touch switch for a few seconds until you get the brightness you want.This is a progressive dimming effect. 1 x Drawing Board 2 x Clip 1 x Bag 1 x USB Cable 2 x Pencil