The EPS is a compact enclosed pistol sight designed for full size pistol. The EPS features 2 MOA dot, 7075 T6 aluminum housing and our lowest deck height, facilitating use with standard height iron sights on many pistol models. Green Reticle: @ MOA Dot Selectable Modes: Manual, Lockout CR1620 Battery and Battery Tray Up to 50,000 Hours Battery Life at Setting 6 12 Brightness settings: 8 DL and 4 NV Compatible Asperical Glass Lens with Zero Distortion Enclosed Design and CNC Milled 7075 Aluminum Housing Memory Function and Motion Sensor RMSc Plate Included IPX8 Waterproof Parallax Free