( FEATURES OF DOT SIGHT ) – Unlimited eye relief, Black anodized aluminum construction, Three brightness settings for the Red and Green dots, 30mm Cantilever Weaver Style Mount for mounting onto most Weaver Style/Picatinny mounts, Red Green and Blue LEDs (Light Emitting Diode) consumbes very little power and is very durable, Length: 5.0 inches, Width: 2.7 inches, Height: 3.1 inches, Weight: 8.9 oz, Mount Length: 2.68 inches, Objective Lens Diameter: 35mm, Magnification: 1x, Reticle: Red and Green Dots, Dot Size: 3 MOA, Click Value: 1 MOA, Lens Coating: Platinum, Battery Type: CR2032 – ( FEATURES OF FLIP-UP POLYMER SIGHTS) – Material: Durable synthetic material, Color: Matte Black, Easy bolt-on installation, Fits most Weaver/Picatinny rails, Includes front and rear sight. Both are made from durable synthetic polymer and are a good option when seeking a backup aiming sight. Will fit most any Weaver/Picatinny mounts. Sights pop into action quickly and will stay folded down securely when not in use. Tools-Less design allows both both Front and Rear sight to be adjusted by hand. Rear sight has dual aiming apertures ( large peep hole and small peep hole ). Note that both the front and rear sight are on the same height plane. Industry standard height of 1-1/2 inches from the bottom of the sight to the tip of the front aiming post. Both rails sit on the same height plane. Brand new with manufacture warranty