Hands Free Lighting -- -Great for the recreational hiker or camper -- This headlamp comes in 3 colors - Red, Blue or Green (our choice). The adjustable three-strap system fits comfortably and securely under a helmet or over a hat. A convenient on/off push button is located on the base of the battery compartment. -- Small and lightweight, this headlamp is the perfect backup or emergency lamp! It is great for reading in a tent or a bed, walking around a campsite, hiking in the early morning hours, or simply taking the garbage out to the road at night! The best part --it keeps your hands free! -- Requires 2 AA alkaline batteries (not included).