QualityBazaar 17.7 Inch LED Artcraft Tracing Light Pad Light Box A4 Compact and Elegant Designed, with Eyesight-protected Technology; ULTRA SLIM and PORTABLE: only 5.6 mm of thickness and 0.61 kg of weights, gains very little heat when using, suitable for long-hour working; ADJUSTABLE BRIGHTNESS: Super bright LED lamps provides a perfectly even illuminated surface and you may adjust the light but simply touching the on/off switch; USB CONNECTED: Comes with an USB cable, which means you can not only plug it into the wall charger, but also your computer; Diagonally Length: 17.7 Inches; Working Surface: 12.2 by 8.27 Inches;