UniqueFire 1503 T50 IR 940NM Black LED 50mm Convex Lens 3 Modes Flashlight Infrared Light Night Vision Zoomable Torch (1503 IR 940nm) QUICK CHANGE LED PILL SYSTEM: The UF-1503 has an unique feature a quick change LED pill system that enables the colour of LED to be changed easily from red, green, white or infrared without the use on any specialist tools. (extra LED pill purchased separately) LONG RANGE ILLUMINATION: Utilize high power IR black 940nm LED emitter- the smallest infrared LEDs with more than one watt of optical power. Rotary focusing system: illuminate much farther with smaller light spot. CAUTIONS: Infrared light is invisible to human eyes. It is designed to be used with night vision device.(Only a small and faint red glow on the LED to show you that the torch is on). BE AWARE that not all infrared cameras & night vision scopes will pick up 940nm IR light. This is because 940nm is much further away from the visible light spectrum than 850nm making it harder for a camera sensor to pick up. Check that the camera equipment you are using is compatible before you buy. ASPHERICAL LENS: 50MM Lens rotary focusing torch suitable for hunters. Illuminate much farther with smaller light spot. It has the ability to focus in for a tight spotlight or back out for a great effect. MODE MEMORY: 3 Modes System from Low-Mid-High with Mode Memory. (This Flashlight Remembers and Turns on to the Last Setting that it is Operated On). It is powered by 1 x 18650 rechargeable battery (not include in the package). LED: IR 940NM LED Material: Aircraft Aluminum Alloy Batteries Input Voltage: 3.7-4.2V Waterproof: Splash Proof Only Weight: 270 g (<span class="a-text-bold">Without Battery) </span> Battery: 1 x 18650 Rechargeable Battery. (<span class="a-text-bold">Not Included) </span> Dimension:144+14mm(Length)/54mm(Head)/25mm(Body)/34mm(Tail) Operation Temperature: -25 degrees Celsius up to 50 degrees Celsius Hard Press The Tail Switch Until it Clicks (Complete Press) to Activate The Torch. Hard Press(Complete Press) Gain Until it Click to Turn The Light Off. With The Light On, Gently Press(Half-way Press) The Tail Switch to Switch Each Mode From Low-Mid-High. Utilizing High Power IR 940NM LED Emitter,The Smallest Infrared LEDs With More Than One Watt of Optical Power. Rotary Focusing System: Illuminate Much Farther With Smaller Light Spot. 50MM Lens Rotary Focusing Function Enables the Ability to Focus in for a Tight Spotlight or Back Out for a Flood Effect, Especially Designed for Long Range Illumination. 3 Mode System From <span class="a-text-bold">Low-Mid-High </span>With Mode Memory. Armasight Drone Pro Yukon Photon Pulsar N550/750 NiteSite NS50/200 Viper-Wolf DIY night vision 1 x 1503 IR 940nm Flashlight <span class="a-text-bold">(Battery is NOT included )</span>