The 3 Tactix PRD 2 is a powerful pistol red dot with shake awake auto brightness and auto off. The PRD 2 will ensure rapid target acquisition and ultimate precision. Designed with an RMR footprint the optic features a precise 3 MOA dot making it ideal for pistol and AR platforms. - 1 MOA Windage and Elevation Adjustment - Shake Awake And Auto Brightness - Auto Off After 3 Minutes Without Motion - 40000 hours battery life - Assembled in EP-Level Clean Room - 100% Waterproof Fog proof and Shockproof (tested up to 800 G�s) - Aircraft Grade Aluminum with Rugged Design Ready for the Toughest Environments - Technical Specifications: - Magnification: 1x - Parallax Adjustment: Parallax Free - Lens Coating: Fully Multi-Coated Full Wide Band Waterproof Coated Low Light Enhancement - Dot Size: 3 MOA - Material: 6061-T6 - Eye Relief: Unlimited - Click Value at 100 yds: 1 MOA - Adjustment Range: 90 MOA - Length: 1.77in/45mm - Width: 1.06in/27mm - Weight: 0.9oz/255g - Battery: CR2032 -Included Additional: Battery product cover lens cloth 2 allen wrenches