Professional eye protection light box: healthy light source, no flickering, no flickering, green, healthy light source, it is the perfect assistant for painting lovers. A time-saving solution for storing graphics, sketches, drawings and tattoos.Lover, easy to use.Ideal for professionals and students. Comes with a USB cable so you can connect it not only to the charger but also to the computer. Replace traditional switches: Digital intelligent touch-sensitive electronic switches are added, which can adjust brightness according to needs, increase storage capacity, improve energy saving design and connect via USB. Comes with a USB cable so you can connect it not only to the charger but also to the computer. Colour: black Material: plastic Product size: Overall size: 235 x 335 mm Luminous size: 235 x 305 mm Working voltage: USB 5V Rated power: 2.8W Power supply mode: USB power supply Scope of delivery: 1 * Drawing board 1 * USB