Feature:1. 940nm Infrared Wavelength: Portable flashlight emits 940nm infrared light. Please be sure to use night vision equipment that matches the 940nm infrared light, otherwise you will not be able to see the night vision effect.2. Adjustment Focusing: You only need to slide the head of the flashlight back and forth to zoom the light. Through the glass lens of the flashlight, the led infrared light can be focused from a wide floodlight to a spot beam.3. Compact Portable: The focus adjustment IR flashlight is compact in structure, light in weight, and convenient to carry in a bag or pocket.4. Easy to Use: Night vision flashlight has 1 switch mode. Press the button at the back of the flashlight to turn on/off the infrared night vision flashlight.5. Wide Application:IR flashlight can be used for hunting, outdoor adventure, camping, cycling, etc.Specification:Item Type: 940nm IR FlashlightMaterial: Aluminum AlloyProduct Size:Shrink:Body Length:Approx. 130mm / 5.1inHead Diameter:Approx. 30mm / 1.2inStretch:Body Length:Approx. 147mm / 5.8inHead Diameter: Approx. 30mm / 1.2inPower Supply: 1 x 18650 Lithium Battery (not Included)Light Source: IR 940nmUses: Night Vision Lighting, Hunting, Night Vision CameraWeight:Approx. 114g / 4.0oz.Package List:1 x 940nm IR FlashlightNote:Shipping without batteries.