... 30 years Low temperature=Veritable cold light source CE,ISO,FDA Endoscopy LED Cold Light Source(CE,FDA,ISO)30w,70w, ... k corresponds to sunlight. In combination with the cold light source yields a particularly brilliant aperture illumination and colour rendition ... unparalleled lighting conditions.TECHNICAL DATAPower supply: AC110/220V±10%,50/60HZMax.power consumption:approx.400 WFuses:φ5×20mm250V ...