Weighing in at only 78 grams and offering a whopping 70 lumens of light, Princeton Tecs Fuel Four-LED Headlamp is a heavyweight in terms of illumination. Capable of emitting 146 hours of burn time on low and 46 hours of burn time on high. Equipped with an asymmetrical single-arm bracket that makes directing light simple and reliable. Offers a large, easy-to-find push-button switch and a virtually bulletproof easy-access battery door that protects the AAA battery power source and internal electronics. IPX4 rated for water resistance. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Headlamps.