Product Description The Viridian RFX Custom is a micro reflex red dot sight engineered specifically for Walther PDP and WMP pistols. Built with a high-strength thermomolded polymer housing and multi-coated glass lens, this compact optic delivers a crisp 3 MOA aiming point with automatic brightness control. Viridian&&';;s INSTANT-ON technology and ambient light sensor provide fast activation and smart power management, while the IPX4 waterproof rating, parallax-free design, and unlimited eye relief make it a reliable sight for defensive carry or range use. Product Highlights Purpose-built fit for Walther PDP/WMP footprint Clean 3 MOA red dot with auto brightness and ambient light sensor Viridian INSTANT-ON for rapid activation and smart auto shut-off Up to 30,000-hour runtime powered by a single CR2032 battery Durable thermomolded polymer construction with IPX4 waterproof rating Specs Brand Name: Viridian Model: RFX Custom Reticle/Dot Size: 3 MOA Red Dot Magnification: 1x Eye Relief: Unlimited Parallax: Parallax Free Brightness: Automatic Brightness Control Switch Type: Instant-On Battery: CR2032 Run Time: 30,000 hrs Windage/Elevation Range: 90 MOA each Click Value: 1 MOA Lens: Multi-Coated Glass Housing Material: High Strength Thermomolded Polymer Color: Black Mount Footprint: Walther PDP/WMP Firearm Type: Pistol Firearm Fit: Walther Arms PDP / WMP Waterproof Rating: IPX4 Length: 1.60 in Width: 1.00 in Height: 0.90 in Weight: 0.44 oz UPC: 785034179709 Manufacturer Part Number: 9810126 Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product&&';;s manufacturer.