The Petzl Bindi Headlamp is an ultra-light, rechargeable headlamp designed for everyday uses with an imput of 200 lumens. Ultra-light at 35 g, the BINDI headlamp fits in the palm of your hand. With 200 lumens of power, it is ideal for everyday activities and regular training around town or in the mountains. Convenient charging via USB cable. The thin headband adjusts easily and can also be worn around the neck.  Petzl Bindi Headlamp Features Light output: 200 lumens Weight: 35 g Beam pattern: flood Energy: 680 mAh rechargeable battery Certification(s): CE Watertightness: IP X4 (weather resistant)