Huion 17.7" (Diagonal Length) Ultra Bright LED Animation Drawing Tracing Stencil Board Tattoo Pad Light Pad Panel A4 with Kenting Cleaning Cloth Brightness: 2000 Lux. The BRIGHTEST light pad in the 17.7 Inch line. Super bright led lamps provides a perfectly even illuminated surface. Compact and Elegant Designed. with eyesight-protected Technology. Adjustable Brightness. Simply hold your pressing to the button till you get the ideal brightness (From Bright to Dark) Gets very little heat. Suitable for long hour working. Life time 50,000 hours' long offcial authorized store