New Wireless LED light provides powerful and round focus white light, touchable power switch and brightness adjustment, easy one-handed operating. Total only 29.8 gram (light and battery), most comfortable user experience Three batteries provide energy for a day’s work. Headlight Weight: 10gm Brightness: 35,000 Lux Light Colour Temperature: 5800 Battery Type: Lithium Ion Weight: 20gm Recharge Time: 1.5 hr Run Time: 140 min