1. Invisible infrared light: The infrared LED flashlight is not an ordinary flashlight with white LED, it is used for general lighting. Utilize OSRAM 5W 850nm infrared light to emit invisible but high power infrared light. Please note: your eyes will not see any light (there is only a faint red light on the OSRAM LED, indicating that the IR LED flashlight is on).2. ZOOMABLE IR TACTICAL flashlight: The infrared LED flashlight head part can be zoomed in and out to get variable zoom light, and the zoom function is suitable for short and long distances.Power: 850nm infrared light torch powered by 1 x 3.7V 18650 type battery. Includes rechargeable battery and battery charger. No need to find or buy expensive batteries. Save your money and time.3. Compact and advanced design: The 850nm infrared flashlight body is made of aircraft aluminum alloy, using 38mm optical convex lens, which can better focus the spotlight or back for flood effect. It has a non-slip and waterproof design to help get a better night on the hunt.Night Vision and Hunting: BESTSUN Professional IR Infrared Torch uses Osram's advanced IR LEDs with high efficiency and low thermal resistance, helping to achieve better night vision. Spotlight to 150-200 yards, floodlight to 50-100 yards. Enjoy your shooting coyote fox hog boar varmint predator deer.