Engineered for mission-ready performance, the MeCanik MO4 delivers fast target acquisition and rugged reliability in any environment. With auto-brightness, motion activation, and a fully enclosed design, this optic keeps you locked in and ready-day or night, rain or shine. Aspherical lens design Switchable 32 MOA circle, 3 MOA dot, or circle + dot reticle Automatic brightness control with light sensor MAIS motion-activated illumination system Solar panel backup power O-ring sealed, waterproof to IPX7 8 daylight and 2 night vision compatible brightness settings