UniqueFire UF-T20 IR 850NM T38 38mm Lens Infrared Light Night Vision Flashlight Torch + 18650 Charge + Presssure Switch + QQ07 Rifle Scope Mount Kit Set LONG RANGE ILLUMINATION: Utilize high power Osram Oslon IR black 850nm LED emitter- the smallest infrared LEDs with more than one watt of optical power. Rotary focusing system: illuminate much farther with smaller light spot. FAMOUS OSRAM OSLAN IR BLACK 850nm LED: IR light source with high efficiency, Low thermal resistanceBright 850nm infrared LED module produces a powerful punchFocusable beam with approx. 150 meter range (approx. 165 yards). ASPERICAL LENS: 38MM Lens rotary focusing torch suitable for hunters. Illuminate much farther with smaller light spot.The perfect torch for hunters. 3 power modes, as well as the ability to focus in for a tight spotlight or back out for a flood effect. SOLID RELIABILITY & CAMPACT SIZE: Made of aircraft aluminum alloy. Net weight: 170g.Length:147.5mm.Head Diameter: 25mm.Housing Diameter: 25mm. CAUTIONS: Infrared light is invisible to human eyes. It is designed to be used with night vision device.