TruGlo TG8322GN Ignite Mini Black 1 x 22 mm 2 MOA Green DotTruglo's Ignite Mini Green Dot features a 2 MOA Green dot reticle with a 22mm objective. It utilizes digital push button brightness controls, 10 brightness settings and remembers last used brightness settings. The Ignite Mini system also features an auto off feature after 4 hours of idle time. The green dot system is constructed of aluminum with nitrogen filled glass. Includes low and high Picatinny Weaver rail mounts, battery and rubber lens cover,