DETAILS - Designed for modern MSR platforms and shotguns - Ballistic Circle-Dot reticle options - Users can select from 4 different integrated reticle options (Dot, Circle-Dot, Dot with Holds, Circle-Dot with Holds) - 100,000+ hour battery life and the readily available CR123A battery is side loading for quick battery replacement. - Unlimited eye relief to acquire aiming point and target, regardless of eye position behind sight. - MOTAC (Motion Activated Illumination) powers up or down when sensing motion - Uses an ultra-efficient red LED illumination for daylight visibility and extended runtime - 1.535" Mount Height - Strong, lightweight aircraft-grade 6061-T6 aluminum housing - Waterproof, IPX-7 rated, and fog-proof.