Features: A2 size LED light pad, 26.6-inch large light-emitting area, 5.5 mm thickness, ultra-thin and lightweight. High-quality acrylic panel, high brightness, pressure-resistant and wear-resistant. Uniform light, small flicker, eye protection and energy saving. Continuously adjustable brightness ensures perfectly illuminated work surfaces for optimal tracking performance, and can be adjusted by simply touching the ONOFF switch. USB powered design, can be easily powered from computer, power bank, power adapter, etc. via the included USB cable Specifications: Working surface: Acrylic panel Light source: LED Brightness: Continuously adjustable Lux: 20002500LUX Color temperature: 6500K (+300K) Lighting space : 57.8 * 35.5cm (H * V); 67.5cm 26.6" (diagonal) Power supply: USB DC 5V USB cable length: about 2 meters Product size: 57.8 * 39 * 0.55 22.8 * 15.4 * 0.2 inches Product weight: 1000 grams 2.2 lbs Packing size: 59*42*3.5 cm 23.2*16.5*1.4 inches Packing weight: 1110 g 39.2 oz Packing list: 1*Electronic whiteboard 1*USB cable Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store