Light Box for Tracing A4,Drawing Pad Dimmable Brightness Indoor or Outdoor for Artists,Drawing,Sketching,Animation and X-ray Vie

TWO WAYS TO CHARGE: You can use USB cable or buy 3 AA batteries to charge this amazing LED tracing board. Put it this way, batteries no longer limit your wired worries, and the USB charging mode saves you the cost of buying extra batteries.(3 AA batteries not include)