The ROMEOZero-PRO brings the lightweight polymer design of our ROMEOZero line of micro reflex optics to a full-size pistol optic built with a host of premium features. The ROMEOZero-PRO model is compatible with all SIG SAUER ROMEO1 PRO optics-ready pistols. This new full-size reflex optic features a large 30mm aspherical lens made of scratch-resistant glass, offering unmatched clarity and a distortion-free sight picture when compared to competitors. The ROMEOZero-PRO features a proprietary carbon-infused polymer housing with a reinforced lens protection area making it incredibly durable while delivering significant drop and impact protection. It also comes with a hardened steel protective shroud for even greater protection and durability. The ROMEOZero-PRO is available with either a 10 MOA red dot or the versatile new circle/dot reticle. The new T.A.P. (Touch-Activated Programming) technology gives the user the ability to change brightness with just a tap on the optic. All rear surfaces of the housing have anti-reflection grooves molded in, including the backup rear sight notch which is marked with Grade A Swiss SuperLuminova pigment for visibility in dark environments. Specifications for SIG SAUER ROMEOZero Pro Red Dot Sight: Manufacturer: SIG SAUER Color: Black Fabric/Material: Carbon-Infused WeaponsGrade Ultralight Polymer Magnification: 1 x Objective Lens Diameter: 30 mm Illumination Type: LED Illumination Color: Red Brightness Settings: 8 Adjustment Type: MOA Adjustment Click Value: 1 MOA Emitter Type: Open Battery Type: Lithium, CR1632 Battery Life: 20000 hours Gun Make: Universal Gun Model: Universal Length: 1.83 in Width: 1.29 in Height: 1.09 in Weight: 0.5 oz Condition: New Magnification Type: Fixed Quantity: 1 Attachment Type: Screw Features of SIG SAUER ROMEOZero Pro Red Dot Sight: Fits the ROMEO2/Pro Mounting Footprint Carbon-Infused WeaponsGrade Ultralight Polymer Housing Provides Increased Shock and Drop Protection Aspherical Glass Lens with Zero Distortion T.A.P. (Touch-Activated Programming) and Button-Activated Brightness and Reticle Selection Modes Circle/Dot or 10 MOA Emitter Options with 8 Daylight Brightness Settings Up to 20,000 hours of Runtime Structurally Enhanced Steel Shroud Included for Added Protection Package Contents: SIG SAUER ROMEOZero Pro Red Dot Sight