Additional details users can select from 4 different integrated reticle options (dot, circle-dot, dot with holds, circle-dot with holds) 50, 000+ hour battery life and the readily available CR2032 battery is side loading for quick battery replacement. Unlimited eye relief to acquire aiming point and target, regardless of eye position behind sight. Moat (Motion Activated Illumination) powers up or down When sensing motion. Uses an ultra-efficient Red LED illumination for daylight visibility and extended runtime.True co-witness QR mount and low mount included. The item "Sig Sauer SOR43012 Romeo 4 Red Dot Sight 1x20 2 MOA Circle Plex Torx" is in sale since Tuesday, April 20, 2021. This item is in the category "Sporting Goods\Hunting\Scopes, Optics & Lasers\Red Dot & Laser Scopes". The seller is "centraspace" and is located in Bayonne, New Jersey. This item can be shipped to United States.