Knog headlamps have a unique structure: the light and battery built into a unit that is then slipped to a "pocket" in a super flexible silicone strap. Detaching it for recharging is easy, and so is charging: there's no need for cables. The Quokka 150 is great for close quarters work, camping and walking. - Three power settings for white light: 150, 100 and 40 lumen - Additional 6 lumen red light for saving your night vision and avoiding drawing in bugs - Stormproof: IP65 protected - Max. range 20 meters - Strap length adjustable between 30 and 66 cm - Charging time approx. 3.5 h