Armasight CO-MR is one of the most advanced Night Vision Clip-On Middle Range systems which stand above competition when it comes to clarity, versatility, reliability, and function. Armasight CO-MR provides excellent observation, target acquisition and aiming capabilities for the demanding sports shooter, varmint hunter, military, law enforcement, and security personnel. Based on the latest advancements in Night Vision industry Armasight CO-MR eliminates requirement of removing a primary (day) sighting system from your weapon since in order to provide you with night time capabilities, CO-MR mounts in front of your standard day optical sight. Combining day and night vision sights eliminates the need to re-zero, since the primary sight (day-time scope) remains undisturbed. User no longer needs to remove his expensive dedicated day scope, that he spent time zeroing in, just because the sun goes down. Simply Clip-On Armasight CO-MR in front of your Day Scope in order to "Reach Out And Touch Someone". CO-MR allows user to maintain consistent eye relief and shooting position as well as retaining user muscle memory. Armasight CO-MR is equipped with locking quick-disconnect mounting system providing user with easy and quick way to attach CO-MR to standard weaver base. Limited Two-Year Warranty Specification: Generation: Gen 2+ HD - High Definition Resolution: 55 – 72 lp/mm Magnification: 1x Lens system: F1:1.65, 80mm Field of view (°): 12.6 Focus range (m): 10 to infinity Exit pupil (mm): 21 Controls: Direct Remote Control: Yes (Wireless) Automatic Brightness Control: Yes Bright Light Cut-off: Yes Low Battery Indicator: Yes Power Supply: 1 x 1.5V AA or 1 x 3V CR123A Battery life (hour): 60 ( 3 V ); 30 (1. 5 V ) Infrared Illuminator: Detachable Long Range IR Illuminator Environmental Rating: Waterproof Operating temperature (°C): -40 to +50 MIL-STD-810: Yes Dimensions (LxWxH, mm /in): 180 x 80 x 80 / 7.1 x 3.2 x 3.2 Weight (kg/lbs): 0.69 / 1.5