This best surgical headlilght provides superb illumination of the examination area with a 40 cm distant, focusable, white and cold light with 5500 Kelvin and 7100 lux. The LED head lamp has a life of approx. 14999 hours and can be used with standard AAA batteries, good qualtiy lithium batteries or rechargeable batteries plus plug-in charger, so that no annoying...