Streamlight 90744 Knucklehead Spot Alkaline Light, Orange - 180 Lumens Rubber dome push-button actuator is easy to operate even when wearing heavy gloves Dual power source: accepts rechargeable NiCd battery pack or 4 AA alkaline batteries 4 Operating modes. High, low, emergency flash and moonlight modes High: 180 lumens; 11,000 candela; 210m beam; runs 3.5 hoursLow: 55 lumens; 3,300 candela; 115m beam; runs 16 hours Low: 55 lumens; 3,300 candela; 115m beam; runs 16 hours