Check the listing for details. Tac-Ops T1 LED Tactical Flashlight by River Rock 235 Lumens Multiple Modes. Condition: New. Listed at 11.06 USD. Tactical LED light with an anodized, high-strength aircraft aluminum black body that's 5.2 inches in length and weighs 4 ounces. The light delivers a 235-lumen LED white light when in use. The Tac-Ops T1 can emit a fast-flash strobe for signaling or self defense, as well as a battery-saving low-light mode. Operators can utilize three additional low-light color LED modes to meet additional tactical needs, such as red for low-light operations, night vision retention or emergency use, and a unique UV (blue) LED for searches in darkness to reveal fluids such as urine, trace blood and other bodily fluids of humans or animals. It can also be handy for tracing liquid leaks on vehicles. White LED modes: High mode (235 lumens output), Low mode, strobe modeHold tail switch down for three seconds to change from white to color modesColor LED modes: Red for night vision; Green for map reading; UV to search for blood and other fluids; SOS Flashing red for signalingDurable: Precision machined high-strength aluminum housing with anodized black finish will never breakWeatherproof: O-ring seals keep rain outLithium batteries provide the best capacity to weight ratio and function fully down to -20-degrees F.Included batteries are from top tier manufacturers: Duracell, Energizer and PanasonicUses brightest Cree XR-E Q4 white LEDOptimized reflector/lens for best possible light beamTuned circuitry for optimum balance between bright light and run timeCircuit boards are machine loaded and solderedTactical tail cap switchScalloped ends (front and back)Anti-roll designCheckered gripping surface