The x1 micro reflex sight is rmr footrpint compatible from rival arms and features a 3 moa red dot reticle.The 29 mm objective allows for a wide field of view with 10 brightness settings.The x1 micro features motion-sensing "wake" ability as well as an automatic wake and seep mode to preserve battery life.The x 1 micro remembers last brightness setting used when powering on.Battery: CR1632Magnification: 1 XObjective: 29mmField Of View: UnlimitedEye Relief: UnlimitedDot Size: 3 MOALength: 1.85"Weight: 1.10 ozReticle: 3 MOA Red DotAdjustment Size: 1.0 MOAProofs: IPX7 Water ResistantOptic Coating: Multi-CoatedWindage Elevation: Adjustable