The armasight vulcan 4.5x compact professional gen 3 night vision rifle scope is a stand-alone, dedicated night vision riflescope that does not require an existing riflescope.The armasight vulcan 4x includes a wireless firearm-mounted remote control a single push of a button wakes the armasight vulcan 4x from standby mode, extending battery life, maintaining light discipline and reducing movement by the shooter.The armasight vulcan 4.5x features an auto shutoff technology that will power down the unit if it receives no input for 60 minutes as a safeguard in case the unit is left on after use.The unit also protects itself by shutting down if exposed to excessive ambient light and returns to an active state once removed from the light source, preventing damage to the image intensifier tube (iit).For optimal contrast, the illuminated reticle is independently adjustable for brightness.Complete with tactical rails for attaching ir lasers or illuminators.Resolution: 64-72 Ip/mmMagnification: 4.5xObjective: 108mmField Of View: 9 DegreesGeneration: 3Battery: CR123A/AADimensions: 11.70" x 3.80" x 2.80"Weight: 2.40 lbsIntensifier Tube: YesDiopter Adjustment: -4/+4Infrared Illuminator: YesBattery Life: 50 hrs