Huion LB4 Wireless Battery Powered Artists Tracing Light Box - 17.7 inch<div style="text-align: left;"><strong>[Product Information]</strong><ul><li id="replacementPartsFitmentBullet" class="aok-hidden" data-doesntfitmessage="We're not sure this item fits your " data-fitsmessage="This fits your "><span class="a-list-item"><span id="replacementPartsFitmentBulletInner"><a href="#" class="a-link-normal hsx-rpp-fitment-focus">Enter your model number</a>to make sure this fits.</span></span></li><li><span class="a-list-item"> Maximum Brightness - 1500 Lux， which is brighter than the Huion L4S; Illuminate Uniformity 1280 cd/ m2 (AC powered)， 544 cd/ m2 (battery powered) </span></li><li><span class="a-list-item"> Battery/USB Mode Available - Enjoy the convenience of working wirelessly at anywhere you like with the built-in battery， works for approx 5 hours when fully charged </span></li><li><span class="a-list-item"> Adjustable Brightness - Gradual Light Changing with Touch Sensitivity， simply a better way to find your ideal lighting </span></li><li><span class="a-list-item"> Sleek， Thin， Portable - thickness 0.31 inch; Work Surface 12.6 by 9 Inches; Weight 0.68kg </span></li><li><span class="a-list-item"> Emits very little heat， perfect for long hour working; High quality， energy effective LED lamps can last for up to 50，000 hours of use; One year warranty </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/51RY4FE0s5L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41avU6vX8-L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51%2B5nFPld%2BL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41ZIZhxgRLL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51cCVyJOgDL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51fAY3gj55L.jpg" noproxy>