LED (Light Emitting Diode) 100% safe for the eyes Anodized Aluminum body Heads up display Unlimited eye relief and field of view Seven Position rheostat knob for multiple brightness settings Powered by three volt lithium battery (CR2032) Includes extra battery, lens cover, mounting tool MAGNIFICATION:1X OBJECTIVE DIA(MM): 24X34 RETICLE: MULTI RETICLE(4) Cross, Dot, Dot and Circle and Dot-Circle-Cross DOT SIZE:3 MOA CLICK VAL: 1 MOA EXTERIOR FINISH: BLACK ALUMINUM LENS COATING: RUBY N.W. (OZ.): 4.20 LENGTH (IN): 3.25 MOUNT : INTEGRATED WEAVER STYLE