The LightPad 940 LX is a thin light box that combines a durable aluminum frame construction, with the cool, bright, evenly illuminated 17" x 12" surface. The LightPad 940 LX adds adjustable brightness so you can dim or brighten the maintenance-free LED lights (last up to 50,000 hours) to suit your project. Adjust the brightness from 500 lux to super bright 5000 lux to shine through thick paper. The UV-free light is safe for eyes and archival photos and documents. Lightweight and portable, this light box comes with a soft, protective storage pouch. Use it to trace or transfer an image for patterns, tattoo design, illustrations, sewing, quilting, or embroidery. Details: White 19.25" x 14.25" x 0.5" overall size LED lit 17" x 12" area Cool white 6500K color temperature Adjusts from 1000 lux to super bright 5000 lux LED lamps last up to 50,000 hours Durable and attractive aluminum frame Double layered firm work surface For transferring or tracing artwork, photographs, sewing patterns, embroidery patterns, drawings, tattoo designs ans stencils 1-year limited warranty