Lightweight, portable and easy to use, the Speedball UV LED Exposure Lamp offers users the same exposure time for Diazo Photo Emulsion screens as a traditional 250watt photo flood bulb but with a dramatically longer bulb life! This has an on/off switch, 180-degree swivel bracket, and can be mounted for hands free use. Th UV-A light is 395-400nm and the voltage is AC85-265V, 50Hz-60Hz. Imported.