New 5W LED Surgical Medical Head Light Lamp Headlight All-in-one KD-202A-7(2013 by Oubodental Feature: 5W LED illumination, sunlight color, cold light, cableless double power supply Function: quick of battery replacement, brightness adjustable, used with magnifiers Variable function: variable color on the surface Application: Surgery room, Stomatology, ENT Coming with 2 batteries, exchange quickly, very suitable for long time use