rhythmarts night vision,infraded night vision,monocular night vision,night vision for rifle scope hunting night with hd camera and 5inch screen (generation iii) rhythmarts night vision for rifle scope with hd camera and 5" screen infrared illuminator allows viewingin the darkness for hunting & shooting note:the night vision device can not record videos and pictures. at the rhythmarts store, you can buy upgraded night vision devices [generation v] that can take pictures and record video. package list: 1x camera 1x scope connection barrel 1x camouflage tape (random color) 1x night vision 5.0-inch screen 1x infrared flashlight 1x 25mm scope tube clamp 1x 30mm scope tube clamp 1x ir clamp need 3*18650 batteries 【not include scope,not include battery] notice 1, gun scope tube clamp suitable for riflescope diameter 25.4mm or 30mm. 2, ir flashlight and screen continuous working time is determined by the capacity of the battery. description 1, diy night vision monocular macro focusing focus ultra hd hunting camera 3mp,1/2.5",16 mm focal length. switch in day and night. 2, monocular night vision has hd 5 inch screen observing animals which get better field of vision at night. test instruction first of all, you need to shoot long distances, adjust the camera to show a clear cross (using a crossed crosshair sight), then adjust the eyepiece of the scope (zoom in or out) and finally adjust the objective until it is cleared. shooting range 1.as for shotting range.it depends on your shooting target size, ir flashlight and riflescope. if it is a small target(rats),30 to 40 yards you can shoot rats;if large target(elk),the shooting distance will be farther 100+ yards. 2.with a better ir flashlight and riflescope,farther vision distance in the dark.