DARKBEAM ir Flashlight Infrared 850nm Light LED Rechargeable Mini for Night Vision, Tactical ir Illuminator with Long Range & High Power, Focus Adjustable for Hunting, Observation, SearchNIGHT VISION SUPPLEMENT, NOT LIGHTING Used advanced infrared LED in Germany, emits 10W powerful infrared 850nm light which is INVISIBLE to the naked eye. Different from common flashlights You will see nothing lighting up except a faint red LED if there is not any night vision device working with. [CAUTION!]: You need professional Infrared Equipment (night vision scope monocular infrared cameras goggles) Cooperation to turn night into day on, otherwise