The T.M.P.R. SYSTEM is a modular system of purpose-specific optics that can be used individually or in combination to create the ultimate sight for any situation. Each T.M.P.R. System component has its own battery. When connected to a T.M.P.R. prism sight, they can be powered by the prism sight's high-capacity CR123 battery.Larger field of view than AR-332 or AR-536Improved Quick Detach baseDigital Illumination control with red, green and blue color optionsCircular reticle provides ultra-fast engagement at close distancesTrajectory compensation out to 600 yardsShare power with T.M.P.R. components: T.M.P.R. FastFire M3 and the T.M.P.R. Laser Sight (both sold separately)Ballistic reticle with 7 illumination levels and three colorsNight Vision Compatible -3 night vision settings and 3 colors for 9 NV settings REFURBISHED products may or may not include accessories.