Features:3-MOA REDa DOT reticle29 x 18mm multi-coated objective lensIdeal for mounting on RMR optic-ready pistolsDigital push-button brightness controls - 10 brightness settingsRemembers last used brightness setting when powering onMotion-sensing "wake" feature1-MOA windage and elevation adjustCNC-machined from aircraft-grade aluminumUnlimited eye reliefAuto-off? feature preserves battery life (4-minute idle from last button push)Waterproof (IPX7) designPicatinny rail mount includedBattery included (CR1632 3V)20,000+ hour battery lifeLifetime limited warranty