The Vortex Defender-ST Enclosed Solar Micro Green Dot brings a fully enclosed, multi-reticle optic to pistols, shotguns, and carbines. A 7075 aluminum housing seals the emitter against impact, debris, and moisture, while Solar with Auto D-TEC technology draws power from the solar panel or CR2032 battery as conditions change. The bright green 3 MOA dot and 32 MOA circle reticle gives shooters another point-of-aim color option that can be easier to pick up in certain lighting conditions. Enclosed 7075 aluminum housing Protects the emitter against impact, debris, and moisture Solar with Auto D-TEC technology Automatically draws power from solar or battery as needed Up to 35,000 hours battery life; up to 150,000 hours with solar Multi-reticle: 3 MOA dot, 32 MOA circle, or both Bright green reticle Large viewing window for fast target acquisition and wide field of view Aspherical lens Motion activation with 10-minute auto-shutoff Button lockout Side-loading CR2032 battery Fast-Rack textured grip surface DeltaPoint Pro footprint Mounts on pistols, shotguns, and carbines Waterproof, fogproof, and shockproof Includes Picatinny mount, Glock MOS adapter plate, mounting screw sets, rubber cover, custom tool, extended Torx T-10 bit, CR2032 battery, and lens cloth Backed by the Vortex VIP Warranty