Product Description The Viridian RFX44 is a compact, closed-emitter green dot pistol sight designed for rapid target acquisition and reliable performance in demanding conditions. Its 5 MOA green dot leverages the eye&';s heightened sensitivity to green, while Viridian&';s proprietary green multicoated lens delivers excellent color transmission and crystal-clear visibility. The RFX44 places its battery and electronics on top to maintain a sleek, compact profile that enhances the viewing window. The enclosed housing protects the emitter from dust, moisture, and debris for consistent performance and durability. With Instant-On activation, automatic shutoff, and rugged 6061 aluminum construction, this IPX6 waterproof optic is built for modern pistols and serious shooters. Product Highlights Closed-emitter design for faster dot acquisition and superior protection from dust, moisture, and debris 5 MOA green dot with proprietary green multicoated lens for exceptional clarity and color fidelity Top-mounted battery/electronics for a compact profile and increased viewing window Instant-On activation with auto shutoff; battery life rated up to 30,000 hours Durable 6061 aluminum construction with tactile, audible adjustments; IPX6 waterproof Specs Brand: Viridian MPN: 9810109 UPC: 602835805135 Color: Black Magnification: 1x Dot Size: 5 MOA (green) Window Size: 21 mm x 16.5 mm Footprint: ACRO / Glock MOS Construction: 6061 aluminum Waterproof Rating: IPX6 Activation: Instant-On with automatic shutoff Estimated Battery Life: up to 30,000 hours 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.