The Survivor features a low-profile bezel that doesn’t interfere with gear and equipment and provides four lighting modes. The clip securely grabs onto gear, and the D-ring allows your light to hang forward. Class 1, Div. 1 rated! Available in Rechargeable and Alkaline models LED technology with four lighting modes: Rechargeable model High for a super-bright beam that pierces through smoke: 175 lumens; 405m beam distance; runs 3.5 hours Low for bright light and longer run time: 60 lumens; 237m beam distance; runs 13 hour Flash for signaling: runs 8 hours Moonlight mode provides low-level lighting for battery conservation: runs 20 days Alkaline model High for a super-bright beam that pierces through smoke: 175 lumens; 405m beam distance; runs 4 hours Low for bright light and longer run time: 60 lumens; 237m beam distance; runs 15 hours Flash for signaling: runs 8 hours Moonlight mode provides low-level lighting for battery conservation: runs 20 days Custom designed optic with optional, interchangeable Smoke Cutter® plugs for preferred beam pattern: Black plug significantly reduces peripheral light for a tighter beam Amber plug reduces peripheral light and eye fatigue caused by glare By not using either plug, you get the traditional Survivor beam Strong spring-loaded clip securely grabs onto belts and gear; D-ring features forward hanging orientation Optimized electronics provide regulated intensity Rechargeable battery can be recharged up to 1,000 times. Also accepts four "AA" alkaline non-rechargeable batteries for fast replacement with readily available batteries. 230V/240V configurations with NiMH battery not Class 1, Div. 1 rated Rubber dome push-button switch provides easy operation even when wearing heavy gloves; ultrasonic-welded push button switch designed for extremely long life High-impact super-tough nylon construction offers exceptional durability; O-ring sealed, unbreakable polycarbonate lens with silicone anti-scratch coating is assembled in a heavy-duty bezel IPX4 water-resistant; 2 meter impact resistance tested Serialized for positive identification H x W x D: 7.06" x 2.85" x 2.87" (17.92 x 7.24 x 7.29 cm) — Height in charger: 8.67" (22.02 cm) Weight: Rechargeable: 1 lb 1.9 oz (508 g); Alkaline: 13.1 oz (371 g) International Safety Orange, High-Visibility Yellow or Black Assembled in USA Meets 500°F requirements of NFPA 1971-8.6 (2013).