Feature 1、Telescopic Focusing: Infrared flashlight adopts a telescopic focusing design, which can adjust the spot size according to the work requirements to meet the various needs of users. 2、Infrared Light: Night view flashlight emits infrared light that is unseen to the unaided eye, and the unaided eye will not see any light (there is only a faint red light on the LED, indicating that the flashlight is turned on). 3、Small Portable: The appearance of 5W IR flashlight adopts a straight shaped design, which is comfortable to hold, can be controlled by one hand, and the operation is simple and convenient. 4、850nm Wavelength: Infrared light emits 850nm wavelength, which needs to be used for observation with night view goggles, night view goggles, infrared cameras, monoculars, goggles, etc. 5、Long Battery Life: 850nm night view flashlight can be used for 100,000 hours, and the infrared light range is up to 30‑100 meters, which can be used for a long time. Item Type: Infrared Flashlight Material: Aluminum Alloy Bulb: 850nm LED Infrared Light Range: Up to 30-100 Meters Life: 100000 Hours Battery: One 26650 Lithium Battery (not Included) or 3 AAA Batteries (not Included) or 1 18650 Lithium Battery (not Included) Product Size (mm): Lamp Diameter:Approx. 35mm / 1.4in Shrink Length:Approx. 139mm / 5.5in Extension Length:Approx. 158mm / 6.2in Weight: Approx. 167g / 5.9oz Package List 1 x Infrared Flashlight Note The product is shipped without batteries.