X-Vision Optics Night Vision IR Flashlight is the only tool capable of complementing our Xtreme Night Vision Scope. With a total darkness range of 500 yards, the XANF100 is certainly a no-brainer when it comes to boosting any IR system with an easily attachable picatinny rail that securely mounts it. Features an adjustable beam; 4 hour battery life; multi purpose use. The X-Vision Optics Night Vision IR Flashlight has a picatinny rail mounting style to securely fasten to our XANS500 Scope. You can certainly use this flashlight for multiple purposes with any IR scope, binocular or monocular to increase your nighttime viewing distance. You won't see the flashlight your eyes-you'll need your IR device to enhance your viewing distance.