The features of LED fiber light source 1. Working life of the bulb: 50h 2. Small and light 3. Switch power circuit design 4. Stable 5. Applicable with endoscope, microscope and ingeniously constructed testing Product Description This light source is small and light, stable, witch power circuit design, can be applicable with endoscope, micrscope and ingeniously constructed testing. The bulb can be used for 50hours. Technology data: Voltage: AC220V±22V 50-60Hz 50-60Hz 50-60Hz Input power:470VA±10%usmn;10%usmn;10% bulb power: 150W FUSE:F3AL 250V