Streamlight Inc.'s Enduro LED headlamp gives professionals the versatility of hands-free operation in low-light conditions. The white LED model provides up to 850 candela peak beam intensity in high-level mode and 14.5 lumens measured system output and six lumens measured system output in low mode. Powered with a 0.5-watt high-flux LED with a 30,000-hour lifespan, the light runs up to 12 continuous hours in low mode and up to six continuous hours in high mode. The green LED version provides 162 candela peak beam intensity, 8 lumens measured system output in high mode and 4 lumens measured system output in low mode. It is powered by a Nichia Ultra-Bright Green LED that runs up to 120 continuous hours in the low mode and up to nine continuous hours in the high mode. The Enduro LED weighs 2.75 ounces, is waterproof to one meter for one hour and is constructed with an impact-resistant, drop-tested housing.