TRUGLO Red-Dot Sight 30mm Realtree APG Unlimited eye relief; Wide field of view Flip-up lens caps with lanyard system (included on all models except TG8030P) Lightweight and easy to mount; Integrated weaver-style mounting system Ideal for shotguns, handguns, rifles, muzzleloaders, airguns, and crossbows Rheostat controlled 5-MOA red-dot reticle; Click windage and elevation adjustments; Includes 3V-CR2032 battery