Fangrui Product Details Portable A5,a4,a3 Tracing Led Copy Board Box,slim Pad, Usb Power Copy Drawing Board Tracing Board For Artists Designing, Animation, Sketching : Quantity: 1pcs Materials: Abs Voltage: 5v Rated Power: 4.25w Source: Led Components 37 Lamp Beads Color Temperature: 6500k Adjustment Method: Single Color Temperature: Stepless Brightness Adjustment Color: Black Product Size:a5:24x15x0.4cm/9.45x5.91x0.16in,a4:33.5x23.5x0.4cm/13.19x9.26x0.16in,a3:4033.50.4cm/15.75x13.190.16inch Packing Size:a5:31x25.5x3.5cm/12.2x10.04x1.38in,a4:38x25x3cm/14.96x10.04x1.18in, A3:4435.54cm /17.32x13.98x1.57in Net Weight:a5:169g/0.36lb,a4:320g/0.71lb,a3:560g/1.23lb Gross Weight: A5:290g/0.64lb,a4:425g/0.94lb,a3:825g/1.82lb Applicable Scene: Artists Designing, Animation, Sketching Descrition: Adjust-able Brightness -- The Is Adjust-able, Simply Keep Pressing The Tou-ch Interchange For Several Seconds Until You Get The Desired Brightness You Want. Its Gradual Dimming Effect. The With Energy Efficient Flicker-free Led Lamps, Provides A Perfectly Even Illustrated Surface. Usb Powered -- The Box Comes With 1pc Usb Power Cable, You Can Use This Usb Cable To Connect The Pad To Any 5vdc Output Device, Such As Computer, Power Bank Or The Adapter. Wide Application -- Ideal For Dia-mond Pain-ting, Viewing Slides, Stenciling, 2d Animation, Calligraphy, Embrossing, Scrapbooking, Copy Transferring, Sketching & Drawing, Streaming, Sewing, Stained Glass, Quilting Stencils, Film Negative Etc. Eyesight-protected Technology - Usb Powered,ultra-bright And Environmentally Friendly Led Ensure Low Calorific Value And Life Span Up To 50000hours. Flicker-free&no Radiation, Good For Your Eyes Especially Long-hour Working. Easy To Carry - Lightweight, Ultra-thin And Pad, It Can Easily Fit Into A Backpack When Traveling Or Outgoing, So You Can Take It Out For Use Package Content: 1x Box 1x Power Cable