Tru-tec micro is a sub-compact open red dot sight.The micro incorporates favorite features of the tru-tec line in an ultra-lightweight and versatile profile, including digital push-button brightness control and an idle auto-off system to save battery life.Features 3 moa red dot reticle for fast acquisition, digital push-button brightness controls, 10 brightness settings, unlimited eye relief, locking windage and elevation adjustments.*rmr compatible.Includes picatinny/weaver style rail mount.Battery: CR2032Magnification: 1xObjective: 23mm x 17mmField Of View: UnlimitedEye Relief: UnlimitedDot Size: 3 MOALength: 1.81"Weight: 1.10 ozFinish: Black Hardcoat AnodizedReticle: 3 MOA Red DotAdjustment Size: 1.0 MOAProofs: Water ResistantOptic Coating: Multi-CoatedWindage Elevation: Adjustable