The PolyTac X provides a blast of 600 lumens. It features DUAL FUEL innovation that gives you the flexibility to use more than one battery type so you’ll always have power when you need it. – TEN-TAP Programming allows the choice of three programs: – 1.) high/strobe/low; 2.) high only; 3.) low/medium/high: – High super-bright light: 600 lumens; 11485 candela; 205m beam; runs 2.75 hours (CR123A batteries); runs 3.5 hours (18650 battery) – Medium for bright light and longer run time: 260 lumens; 4930 candela; 135m beam; runs 5.5 hours (CR123A batteries); – Low for extended run time: 35 lumens; 675 candela; 50m beam; runs 34 hours (CR123A batteries); runs 36 hours (18650 battery) – Strobe for signaling or disorienting: runs 5.5 hours (CR123A batteries); runs 8 hours (18650 battery) – Solid State power regulation provides maximum light output throughout battery life – DUAL FUEL: Uses two CR123A lithium batteries; also accepts Streamlight rechargeable 18650 battery – Removable multi-position pocket clip – High-impact super-tough nylon polymer with Rocky Stipple texture for a sure grip – IPX7; waterproof to 1m for 30 minutes; 3m impact resistance tested – Length: 5.46 (13.87 cm); 4.34 oz. (123 grams) – Available in Black Coyote and Yellow – Limited lifetime warranty – High Lumens: 600 – Run Time on High: 2.75 hours – Run Time on Low: 34.00 hours – Beam Distance: 205 meters – Max Candela: 11485 – Battery Type: 18650 Lithium Ion Battery CR123A Lithium – Battery Quantity: 1 – 2 – Length: 5.46 inches (13.87 centimeters) – Weight: 4.34 ounces (123.04 grams) – Colors: Black