Coleman Divide+ 275 lm LED Headlamp Battery Lock Battery lock system stops battery drain to preserve battery life and reduce corrosion to protect your device Lumens: 275 (high spot), 100 (high flood), 50 (low spot), 20 (low flood) 7 modes: high spot, high flood, low spot, low flood, Red, Blue, Green Runtime: 2.5 hours (high spot), 6 hours (high flood), 12 hours (low spot), 60 hours (low flood) Lifetime leds never need replacing. Powered by 3 aaa-batteries, (included)