Viridian RFX11 For Walther PDP & WMP 1x Green Dot Reflex Sight - 3 MOA Dot - Designed specifically for the Walther PDP and WMP, the RFX11 Green Dot Reflex Sight combines rapid target acquisition, reliable performance, and a factory-inspired fit and finish. Its highly visible 3 MOA green dot, Shield RMSc footprint compatibility, INSTANT-ON technology, automatic brightness adjustment, and ultra-lightweight construction make it an ideal optic for concealed carry, personal defense, training, and recreational shooting. Developed in collaboration with Walther, the RFX11(TM) is purpose-built to complement the styling, functionality, and performance of Walther's most popular optics-ready pistols. Important Fitment Note: This optic is designed to fit the Walther PDP Optic Plate Mounting System (2.0) and compatible Walther WMP models. It is not compatible with the original Walther PDP Optic Plate Mounting System (1.0) ; Lens Dimension: 16mm x 22mm; Eye Relief: Unlimited; Lens Coating: Multi Coated Glass; Maximum Adjustment: 90 MOA; Reticle: 3 MOA Green; Power Source: 1 x CR2032; Battery Life: 30,000 hours (middle setting); Settings: Automatic Brightness Control; Operation: Instant-On with Ambient Light Sensor; Housing Material: High Strength Thermomolded Polymer; Operating Temperature: -4F to 130F;