This durable high quality sight is engineered to give you the advantage of a red dot sight in a compact light-weight waterproof and shockproof design whether you use it for rapid fire shooting of moving targets or normal shooting. The multi-reticle (4 patterned) optical glass lens is parallax corrected and produces a clear high resolution image. This 33mm in diameter lens allows unlimited eye relief and a wide field of view. The Pan-A-V is one of the smallest lightest most versatile sights of it's kind. The Ultra Dot Pan-A-V like all Ultra Dots is backed by our Lifetime Warranty. - Diameter: 33mm Diagonal - Field of View: 15.7m @ 100 meters - Windage/Elevation Adjustments: Up / R 740 cm @ 100 meters - Color: Black Matte - Operating Temperature: -20 C to + 50 C - Battery: 3v Lithium CR2032 - Dimensions: 82 x 28 x 33.4mm - Weight: 112g