... 2 Light weight and easy to carry it 3 Working life over 50000 hours x-ray film viewerAdvantages:1 Portable ... Industrial LED X-ray Film Viewer can be ... used in indoor,lab and also in the field2 Low thermal noise, no damage to ... hours, the power supply 170 ~ 250 V/AC, 47 to 63 Hz AC ,low power loss 5 Safe, fully ...