1.Life Cycle of LED :approx.50,000 hrs 2.illumination :2,000LM 3.6500K ... of 300w Xenon 5.CE mark DESCRIPTIONThe unit built-in LED bulb,the high energy conservation,no more than 30dB ... / NED2000þ 30W,70W,100W LEDa þ 300W XENONn/aþ 50,000 hours = Use for 30 years;a þ 500 hoursa þ 2000Lm = 300 W Xenon ... optic light cable ( DVL, STORZ, WOLF, OLYMPUS,STRYKER,ACMI etc.)a þ CE Certificationa LED Light Source