Waterproof hybrid headlamp: halogen 14 LEDswith three regulated lighting levels. Water proof down to 5 meters IP X8. Hybrid light source: halogen lighting for long distance use 100m 14 LEDs for powerful, even, white proximity lighting up to 26m with three lighting levels maximum, optimum, economy. Regulated 14 LED lighting: maintains constant lighting level up to 45h at economy level. Reserve power mode: when batteries are almost completely discharged, the 14 LEDs automatically switch to reserve power mode, light duration: up to 80 h. Beam adjustment control and onoff switch are easy to use: onoff switch can be locked to prevent accidentally switching on device. Lamp body tilts to orient beam. Adjustable, ergonomic elastic head band. Operates on 4 AALR6 batteries included.