Nitecore SRT5 Detective Light. 5 3/8" overall. CREE XM-L2 LED. Turbo mode - up to 750 lumen output with up to 1 hour, 45 minute runtime and low mode - 0. 1 lumen output with up to 450 hour runtime. Also features: Strobe, SOS, Police Warning Light, and Location Flashing Beacon. Secondary red and blue multi-colored LEDs. 155m beam distance. Uses one 18650 rechargeable Li-ion battery or two CR123 batteries. Includes black nylon belt holster, detachable pocket clip, lanyard, spare tail cap button, and spare O-ring. MAP Price is 89. 95 Smart Ring Tactical Series. Specially designed for law enforcement, hunting and tactical applications. Aerospace-grade aluminum alloy construction with anodized black HAIII mil-spec finish. Body is knurled for a sure grip. Features third generation smart selector ring technology which allows for smooth and rapid selection of brightness levels and function by rotating the ring. Unique multi-colored (red, green and blue) tactical / signaling lights. Precision Digital Optics Technology provides extreme reflector performance. Also features: high efficiency circuit board; reverse polarity protection; stainless retaining ring which protects core components from damage; and toughened ultra-clear mineral glass with anti-reflective coating. Waterproof in accordance with IPX-8 (Submersible to two meters). Impact resistant to 1. 5 meters. Tail stand capability. Boxed with hanging tab.