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 tested