SPECIFICATIONS: FINISH: MATTE BLACK MAGNIFICATION: 4 - 16X RETICLE: RANGE FINDER CLICK ADJUSTMENT: 1/4 MOA ILLUMINATION: RED & GREEN LENGTH: 13.1 IN (33.5 CM) OBJECTIVE DIAMETER: 2.0 IN (50MM) EYE RELIEF: 4 - 5 IN (101.6 - 127MM) TUBE DIAMETER: 30MM (1.18 IN) BATTERY: 1 x CR2032 LITHIUM 3V BATTERY (INCLUDED) FEATURES: INCLUDES EASY KNOB TIGHTEN 1PC SCOPE MOUNT TRI-RAILS FOR MOUNTING OF MINI RED DOTS AND LASERS FIVE LEVEL BRIGHTNESS CONTROL