Basic parameters: -Light intensity -30,000 Lux -Weight -4grams -Power supply -230V/50-60HZ - The temperature of the light - 6,000 K The set includes two batteries to provide continuity of work: - Standard battery-1400 mAh - allows for 3.5 hours of work - Spare battery-1400 mAh - allowsfor3.5 hours of work The lightest LED head light on the European market-only 4 grams! The kit consists of a charger, two batteries, light intensity control module (stepless adjustment) and a spiral for routing the power cable seamlessly along the frame. You have your own loupe but no light? Thanks to the universal mounting system, our light can be mounted on any type of medical loupes offered in Europe.