Anti-roll facecap 2 meter impact resistance tested LED solid state power regulation provides maximum light output throughout battery life The newest addition to the ProTac series is a perfect everyday carry light. This dual fuel ultra-compact flashlight accepts a single lithium or alkaline battery, providing you with ultimate flexibility in the field to ensure you always have a power source option available. Output: CR123 Battery: High - 350 lumens, 160 m beam distance / Low - 40 lumens, 53 m beam distance AA Alkaline or AA Lithium Battery: High - 150 lumens, 105 m beam distance / Low - 40 lumens, 53 m beam distance Runtime: CR123 Battery: High - 1.5 hrs / Low - 14 hrs / Strobe - 3.5 hrs AA Alkaline: High - 1 hr 20 min / Low - 7.5 hrs / Strobe - 3.5 hrs AA Lithium: High - 4.25 hrs / Low - 14 hrs / Strobe - 8 hrs IPX7 rated design; waterproof up to 1 meter for 30 minutes 2 meter impact resistance testedtable.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; }