UniquFire 1508 T38 IR 850NM Black LED 38MM Convex Lens Infrared Light Night Vision Flashlight Adjustable Focus Zoomable Torch + Replacement XRE Red Light Lamp Holder Pill for Night Hunting INVISIBLE IR LIGHT: UniqueFire1508 IR 850NM is NOT a regular flashlight with white LED for general lighting purpose. Utilizing infrared light black 850nm LED emitter, UniqueFire1508 IR 850NM flashlight emits invisible but high power IR light with more than one watt of optical power. PLEASE NOTE THAT: You wont see any light with your bare eyes (Only a small and faint red glow on the LED to show you that the torch is on). 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 BODY AND MODE MEMORY: Body made of Aircraft Aluminum Alloy.Dimension: 215mm(Length)/41mm(Head)/25mm(Body)/28mm(Tail) Weight: 234g (without battery). 3 Mode System from Low-Mid-High with mode memory (This flashlight remembers and turns on to the last setting that it is operated on). Long Range & high brightness: Equipped with original CREE XRE LED lamp , it can reach 300+ lumens on the high setting, Deepened SMO lighting cup accords with the LED light-emitting angle, so the light can reach 250 to 400yd long range distance. Used for 1x18650 or 2x18650 Battery Rechargeable Handheld Flashlight (Battery is NOT included ) Package: 1 x T38 IR 850NM Flashlight, 1 x Red Light Lamp Holder.(Battery is NOT included ). Material: Aircraft Aluminum Alloy Range: 50-150 Meter+ Battery Input Voltage: 3.7-4.2V Lens: <span class="a-text-bold">67mm Aspherical Lens</span> Waterproof: Splash Proof Only Weight: 422 g <span class="a-text-bold">(Without Battery)</span> Operation Temperature: -25 Degrees Celsius Up to 50 Degrees Celsius Dimension: 245mm(Length)/71mm(Head)/25mm(Body)/28mm(Tail) Battery: 1 x 18650 or 2 x 18650 Rechargeable Battery <span class="a-text-bold">(Not Included)</span> 67 mm glass aspheric convex Lens Twist zoom adjuster - spot/flood Shockproof aluminium construction Easy Interchangeable LED pill system Interchangeable on-off switch standard/remote (extra remote purchased separately) Low maintenance - High performance &#039;O&#039; ring sealed waterproofing Glow-in-the-dark switch (standard) Ward D vision Yukon Photon Pulsar N550/750 Armasight Drone Pro NiteSite NS50/200 Viper-Wolf With The Light On, Gently Press(Half-way Press) The Tail Switch to Switch Each Mode From High/med/low .