1/4 MOA. Waterproof. Fogproof. Shockproof. Range 75 to 150yds depending on ambient lighting conditions. Built-in infrared illuminator. Higher resolution 640 x 480 display. Not for use with 30 caliber magnums and higher. Mounts to Weaver and Picatinny rail systems. Reticles: three each in black and white.