A4 light box comes with a touch switch， which maintains the adjustable brightness of the light board. Once it is connected to the power， you can adjust the light by simply touching the switch till you satisfied (automatically dimming design， smartly memorize the brightness of your last use). With a compact and elegant light box design， the tracing pad brings manufacturing technology which is considered to be the thinnest light board in the field measuring only 7.33 mm of height. The tracing light box is also designed for everyone whether you are an enthusiastic amateur or a professional. Eyesight-protected Technology is designed in it as we cannot care more about our users sensations.

Main Features:
● Supply voltage: DC 12V
● Power consumption: 3.6W
● Light source: LED
● USB cable length: 1.8 m