Fangrui Product Details 1. Huion A2 Ultra Thin Adjustable Usb Led Light Board Light Tracing Pad 2. About The Product 3. Super Bright Light 4. Huion Led Light Box Comes With Many Super Bright Led Lamps In It Which Can See Through Very Thick Paper 5. Adjustable Illumination 6. The Light Box Comes With A Simple Touch Button. You Only Need To Touch The Button, Then You Can Turn Onoff It And Adjust The Brightness As You Want. The Dimming Is Gradual, Not In Steps Like Low, Medium, And High.also, After You Turn It Off And Restart It, It Remembers Your Last Setting And Restarts At That Setting. 7. Light-weight And Sleek In Design 8. With A Compact And Elegant Design, Huion Led Light Box Is Considered To Be The Thinner Light Board In The Field With Only 11mm Of Thickness. And The Multiple Size A2a3a3a5 Are All Available For Your Choice. 9. Special Acrylic Surface 10. Huion Use Special Acrylic Surface, Which Makes It Feel Like A Glass Panel But Much Stronger Than Glass. 11. Eyesight-protected Technology 12. The Led Light Pad Is Designed For Everyone Whether You Are An Enthusiastic Amateur Or A Professional Artist. Eyesight-protected Technology Is Designed In It, And That's For Sketching, Drawing,animation Making,calligraphy And Tattoo Tracing. 13. Simple Operation 14. The Light Pad Doesn't Need To Install Any Software, You Just Need To Insert The Plug We Enclosed, Turn It On Then You Can Start Your Creative Work.