Whether riding the slide of an optic ready handgun or outfitting a rifle or shotgun with ultra lightweight accessories, the tru-tec micro is here to help.It incorporates features such as a 3 moa red dot reticle for fast acquisition, 23mm x 17mm multicoated objective lens, digital push button brightness control and an idle auto off system to save battery life.The red dot scope is cnc-machined from ultra lightweight aircraft grade aluminum and is water, fog and shock resistant.The tru-tec micro also utilizes locking windage and elevation adjustments and includes picatinny rail, abs hardshell cover and 3v cr2032 battery.Battery: CR2032Magnification: 1xObjective: 23mm x 17mmField Of View: UnlimitedEye Relief: UnlimitedDot Size: 3 MOALength: 1.81"Weight: 1.10 ozFinish: Matte BlackReticle: 3 MOA Red DotAdjustment Size: 1.0 MOAProofs: Water/Shock Resistant/Fog ProofOptic Coating: Multi-CoatedWindage Elevation: Adjustable