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. Features TEN-TAPA(R) Programming - Choose from three user selectable programs: Features TEN-TAPA(R) Programming - Choose from three user selectable programs: 1.) high/strobe/low; 2.) high only; ZA3.) low/highAccepts a single lithium or alkaline batteryCR123A lithium battery output: High for bright light:?350 lumens; 6,400 candela; 160m beam; runs 1.5 hours - Low for longer run time: 40 lumens; 720 candela; 53m beam; runs 14.hours - Strobe for signaling or disorienting: runs 3 hoursAA?alkaline/lithium battery output: High: 150 lumens; 2,750 candela; 105m beam; runs 1 hour 20 minutes (alkaline); runs 4.25 hours (lithium) - Low: 40 lumens; 720 candela; 53m beam; runs 7.5 hours (alkaline); runs 14 hours (lithium) - Strobe for signaling or disorienting: runs 3.5 hours (alkaline); runs 8 hours (lithium)Solid State power regulation provides maximum light output throughout battery lifeIncludes nylon holster, one CR123A lithium battery and one "AA" alkaline battery (also accepts one "AA" lithium battery)Durable, anodized aluminum construction with impact-resistant tempered glass lensIPX7 waterproof to 1 meter for 30 minutes; 2 meter impact resistance testedRubber push-button tail switchUnbreakable pocket clipAnti-roll head4.25" (10.8 cm); 2.5 oz (71g) with CR123 battery; 2.8 oz (79g) with AA alkaline battery; 2.4 oz (68g) with AA lithium batteryLimited lifetime warrantyRoHS compliant