The Adesso CyberPad P1 12" x 9" LED Light Tracing Pad is an LED back-lit tracing pad that is suited for a wide range of applications.It's bilateral LED technology ensures evenness in lighting across the lighting surface to protect users from long periods of use. Not only is it the perfect companion for kids and beginners alike who wish to learn how to trace their favorite artworks, but it is also meant for users who require extreme precision in their artwork such as architects. Furthermore, it is suitable for hobbyist photographers to view their films and slides. Last but not least, it is the perfect mobile x-ray film viewing tool for doctors and professions alike. Adjustable Screen Brightness Press and hold the power button to adjust to your preferred brightness. The Adesso LED Light Tracing Pad will save your chosen brightness level as default for future uses- press the power button after turning on the unit to revert to your saved setting. Charge From Multiple Devices The CyberPad P1 can charge via multiple devices and different ways such as your laptop, desktop computer, outlet charger and portable USB charger. Charge your tracing pad anywhere and everywhere. Triple Eye Protection The Adesso LED Light Tracing Pad features three layers of eye protection; a soft LED light, a protective film, and a tranparent glass panel. Its light is subtle and will not harm your eyes, even after prolonged use.