Hawke Frontier 1x15 Prism Sight, PR2 Dot Prism sight Magnification: 1X Objective lens: 15mm Red/green dot 10 brightness settings Auto on feature Nitrogen purged Shockproof, waterproof, fogproof Snag free turrets 1/2 MOA clicks FOV: 74.7ft @ 100 yards Length: 3.1" Width: 1.9" Height: 1.9" Weight: 7.3 oz Includes: Lower 1/3 co-witness riser, low-profile Picatinny base, lens cloth, Torx screws, Torx key, sunshade, and a CR2032 battery