<p>The SIG SAUER® ROMEOZero™ Reflex Sight boasts a molded glass aspheric lens with high-performance coatings to deliver superior light transmission and zero distortion for maximum clarity. MOTAC™ (Motion Activated Illumination) powers up when it senses motion and powers down when the weapon is idle for user-friendly, battery-conserving performance. The 3 MOA red dot with multiple intensity settings ensures rapid target acquisition in virtually any lighting. Fits Shield RMS/DP Pro footprints. Runs on one CR-1632 battery (included). CNC-machined magnesium housing. IPX7 waterproof rating.</p> <ul> <li>CNC-machined magnesium housing</li> <li>Molded glass aspheric lens</li> <li>Superior light transmission and zero distortion</li> <li>MOTAC (Motion Activated Illumination) technology</li> <li>3 MOA red dot</li> <li>User-selectable intensity settings</li> <li>Fits Shield RMS/DP Pro footprints</li> <li>IPX7 waterproof</li> </ul>