Streamlight Stinger LED Flashlight, Features Multi Function Head Mounted Push Button Switch, High, Medium Low & Strobe Modes, Durable Anodized Aluminum Construction With Rubberized Non Slip Comfort Grip, Overall Length 8.41", Includes 3 Cell 3.6V Nickel Cadium, Sub "C" Rechargeable Battery Which Can Be Recharged Up To 1000 Times, 180 Lumens On High, 95 Lumens On Medium, 45 Lumens On Low. 2 Hour Run Time On High, 3 Hour 45 Minutes Run Time On Medium, 7 Hour 15 Minutes Run Time On Low.