Streamlight Task-Light LED Flashlight, Titanium: * Light source: C4 LED technology, with a 50,000-hour lifetime * Lens: Unbreakable polycarbonate lens * Output: Up to 1,600 candela peak beam intensity and 95 lumens measured system output * Battery: 3 "AA" size alkaline batteries * On/Off: Push-button head switch * Run time: Up to 16 hours to the 10 percent output level * Textured parabolic reflector produces an even, wide beam hotspot * O-ring sealed, water resistant * Heavy-duty drop-tested construction