30W - Light-weight, portable and easy to use, this UV LED Exposure Lamp offers users the same exposure time for Diazo Photo Emulsion screens as a traditional 250W photo flood bulb but with a dramatically longer bulb life. It features an on/off switch and 180-degree swivel bracket that can be mounted for hands-free use. 395-400nm UV light. Voltage: 85-265V, 50Hz-60Hz.