This thin, portable A3 tracing board uses LED technology in order to ensure an even, Bright saturation of light throughout the panel.It uses 80% less power than conventional light boxes and has a longer life expectancy (50,000 hours)! Choose the best brightness for your needs. You can connect it to any USB outlet, such as a USB wall plug (included), laptop, power bank etc. so you can work from just about anywhere. The included magnets help secure your artwork to the surface.Includes:Tracing Light BoxUSB Cable and wall plug2 x MagnetsSpecifications:Hardened Acrylic PanelVariable brightnessMetric guides along edgesOverall dimensions: 47 x 34 x 0.8 cmIlluminated area dimensions: 42 x 31 cmWeight: 1.4kg5V USB PowerPower Rating: 6WUses:Animation, Design, Architecture, Fashion Design, Cartoon Animation, Tattoo tracing, X-ray viewing, Photograph viewing, Altering floorplans etc.Note that this is not a digital drawing pad that connects to a computer – it is only a light source for tracing, film and other niche purposes. It also does not contain a battery.