The comanche-40er night vision clip-on (nvco) system uses the latest advances in night vision clip-on technology.Designed for long-range nighttime shooting, the comanche-40er delivers exceptional clarity, reliability, and versatility providing the most significant functionality and features at the lowest possible price.The comanche-40er is mounted to a standard weaver or picatinny rail in front of an existing day scope and transforming it into a night vision device with capability up to ranges of 1000 yards with no re-zeroing required.This nvco can be used with day scopes of up to 10x magnification.Comanche-40er is equipped with a quick release mount and remote control.It provides unmatched target acquisition and enhanced aiming capabilities, making it extremely practical and effective during the most challenging missions.Resolution: 51-64 lp/mmMagnification: 1xField Of View: 9 DegreesBattery Size: CR123A/AAWeight: 2 lbsIntensifier Tube: Gen 2+ White Phosphor Level 1Battery Life: Up to 40 hrs