Powerful single LED headlamp with three lighting levels and boost mode.Focused beam with three lighting levels (maximum, optimum, economic) and strobe mode to adapt the light beam to activity and light duration needs.Boost mode: 50% more light than the maximum level for 20 seconds.Wide angle lens for proximity lighting with a diffuse beam.Battery level indicator.Buttons are protected to avoid accidental operation.Top strap included (not attached) to prevent the headlamp from sliding down, if needed.Light beam can be easily aimed where desired.Adjustable and comfortable headband.Water resistant for all-weather use.Burn Times: Maximum 70 hrs.Optimum 90 hrs.Economic 170 hrs.Wt. 6.17 oz.Uses 3 AA batteries (batteries included).