The high tech DUO LED 8 provides reliable waterproof illumination when you need it most - in storms and during challenging work situations. On the trail or on the job, your DUO LED 8 will carve the darkness with it's 100M (330 ft) foot Halogen beam (35 min burn time) and provide reliable illumination (8-20 M / 26-66 ft) with 8 element LED up to 7-44 hours. Thats a lot of light! Flip a switch to choose between hyper bright halogen or economical 8 LED Module depending on your task or speed of travel as needed. Runs on 4 AA batteries (included). All stainless steel contacts and waterproof housing. 300 g / 10.6 oz