Bright LED Long Shot Bulb Light Headlamp Flashlight Battery Adjustable Headlight 7 High Intensity LED Bulbs Extensive lifetime of LED (100,000 hrs) Adjustable head strap keeps lamp from bouncing around and inclination Takes 3 (Three) 1.5 V (AA Size Batteries) Great for camping, hiking, hunting, fishing, survival kits, emergency lighting, home use both indoor and outdoor.