WickedHD WHD-L4S 17.7 Inch (Diagonal) LED Artcraft Tracing Light Pad Light Box (L4S) powered by Huion PORTABLE. The latest most upgraded version of light boxes available for public use. Apart from the super slim profile, it weights only 1.4lbs, which makes it easier to carry around. ADJUSTABLE BRIGHTNESS. Super bright LED lamps provide an even illuminated surface. You may adjust the light by simply touching the on/off switch ULTRA SLIM. With the latest art LED technology, WickedHD WHD-L4S Portable Light Box measures at an amazing .2 inches of thickness, which is considered to be the slimmest light box in the field. USB CONNECTED. You have USB charger to keep the Light Pad charged at all times. "WickedHD" is a Registered US Trademark Serial Number 86101580. If your product does not bear the "WickedHD" logo it is counterfeit, please report to Amazon immediately.