TruGlo Ignite 1x 22mm Green Dot - 2 MOA Dot - Truglo's Ignite Mini Compact Green Dot features a 2 MOA dot reticle with a 22mm objective. It utilizes digital push-button brightness controls, 10 brightness settings, and remembers last used brightness settings. The dot is constructed of aluminum with nitrogen filled glass, low and high Picatinny/Weaver rail mounts, and rubber lens cover. Digital push-button brightness controls 10 brightness settings Remembers last used brightness settings when powering on Includes low and high Picatinny / Weaver rail mounts for maximum compatibility Locking windage and elevation adjustments Wide field of view CNC-machined from aircraft-grade aluminum Unlimited eye relief Auto-off feature preserves battery life (4-hour idle from last button push) Nitrogen gas-filled Rubber lens cover included Battery included (1.5V AAA)