Handheld Infrared Night Vision Unit Features The perfect companion piece to a NiteSite scope mounted unit the SENTINEL uses the same infrared technology in a compact handheld form factor. Lightweight and maneuverable it allows you to scan the darkness for eyes identifying animals to ensure that you only observe the quarry you intend without disturbing them and without the need for lamps or lights. With no excess functions or buttons it is incredibly easy to pick up a unit and immediately begin your search for nocturnal wildlife. Handheld Infrared Night Vision Unit Specifications Crystal Clear Night Vision viewing 940nm Infra-Red light built in for guaranteed performance Silent Backlight & Illimination adjustment buttons Identification up to 100m Fixed focus Lightweight Hand-held Simple to use On / Off switch Includes belt pouch Ideal for spotting quarry at close distances whilst remaining completely covert *Range subject to weather conditions