1、Easy USB Charging: Built in 2500mAh polymer lithium battery, you can carry it with you without a power plug. Charging for 2 hours, the maximum brightness can work continuously for 6.5 hours. Compatible with wall chargers, power banks, computers, car chargers, etc. 2、Adjustable Lights: 5 level brightness adjustment. Its lighting is perfectly even, and there is no flickering. Advanced eye protection technology, so that you no longer feel eye pain after long hours of work, relieve eye fatigue. 3、Large for Working: 340x249x18mm, slightly larger than A4 paper, which is easy to carry when going out. Comes with a Type C USB cable, and the pad power port is reinforced to ensure long term use. There are accurate scales on the board, 30x21cm, you can easily draw 2D architectural sketches without a ruler. 4、Broad Application: LED copy board is great for sketch drawing, sewing engineering, scanning negatives, weeding, stencil printing, 2d animation, calligraphy, embossing, scrapbooking, tattoo transfer, stained glass, etc. It can also be used as birthday and Christmas gifts for family and friends. 5、Simple Carrying: Designed to have a light weight as well as a compact size, the convenient carrying will largely facilitate your outdoor working. 1 x Copy Board1 x User Manual1 x USB Cable Item Type: Copy BoardProduct Size: Approx. 340 x 249 x 18mm / 13.39 x 9.8 x 0.71inBuilt in Battery: Polymer lithium battery 3.7V 2500mAh (included)Charging Method: USB Type CBattery Life: 6.5HLight Source: White LightGear: 5 Gear BrightnessLuminous Flux: 400, 790, 1180, 1560, 1950lmPower: 1.88WSpecification Colour: BlackMaterial: Acrylic + ABS + PCApplicable Paper Size: A4Dimmable: YesLength Scale Range: Approx. 0 ~ 30cm / 0 ~ 11.81inWidth Scale Range: Approx. 0 ~ 21cm / 0 ~ 8.27inLife: 50000HWeight: 972 g / 34.29 oz(approx.)