Designed to meet the widest range of applications while remaining small, lightweight, and robust, the Fuel delivers 70 lumens of brightness and 146 hours of burn time. Asymmetrical single arm bracket makes directing the light effortless and reliable. It features a large, easy-to-find push button switch and a virtually bulletproof, easy-access battery door that protects the batteries and electronics. Headlamp easily lends itself as a handy lighting option on search and rescue missions and other backcountry SAR operations. Three AAA alkaline batteries included. Maximum burn time: 146 hours.