Features:
850nm Infrared Light Wavelength: This IR flashlight emits invisible but high power 850nm IR light, without night vision devices you can't see the infrared light, when the infrared flashlight is turning on, by your naked eyes you can look at the led bulb of infrared illuminator flashlight, you can only see a dim faint red glow on it, shows that the IR illuminator flashlight is working.
Night Vision Flashlight for Night Activities: With the night vision devices, you can clearly find the infrared light that emitted by this 850nm flashlight, the devices such as infrared camera, night vision scope, night vision monitor, monocular, goggles, infrared monitoring, they won't block the infrared light that emitted by led infrared flashlight and help you have better night vision for hunting, night camera, night observation and so on.
Single Mode One Mode IR Light Flashlight: 1 switch mode(On/OFF), press the tail button of the IR led flashlight to switch the flashlight On and Off.
Adjustable Light Focus: You just slide the head of the IR flashlight back and forth for zooming light in and out, through the glass lens of the flashlight, the led infrared light can be focused from a wide flood to a spot beam, it means you can shoot the IR light to the further, but it also depends on you night vision devices.

Specification:
Product Model: E6
Emitter Type: High Power Infrared LED
Light Wavelength: 850nm
Mode: One Mode/Single Mode(On/Off Switch)
Input Voltage: 3.7V-4.5V
Battery Configuration: 3 AAA batteries, Or 1x18650 battery (Battery is not included)
Body Material: Aluminum Alloy
Flashlight House Color: Black
Size(Length*Body Diameter): 5.67"*1.50"/14.4CM*3.8CM
Weight: 125g/4.41OZ

Package include:
1 X 850nm IR illuminator flashlight
1 X AAA battery holder
1 X 18650 plastic sleeve