<p>The HOLOSUN® HS407K X2 Open Reflex Optical Sight is designed for subcompact pistol applications. This HOLOSUN reflex sight improves on prior models by adding Lock Mode which locks the buttons to prevent inadvertent setting changes. Shake Awake™ extends battery life to as much as 50,000 hours by using a motion sensor to deactivate the LED when it's not in use, and waking up when it detects motion. The HS407K X2 boasts a Red Super LED, providing 12 brightness intensities for easy visibility day or night. The 6 MOA dot reticle is perfect for fast target acquisition. The durable housing is made from 7075 T6 aluminum with an anodized finish, while the CR1620 battery sits in a convenient side-mounted tray for easy replacement when needed. This parallax-free HOLOSUN sight provides unlimited eye relief and uses multi-coated multi-layer reflective glass. The HOLOSUN HS407K X2 Open Reflex Optical Sight is a direct for P365X/XL, and requires an adapter plate for slides with a 4-boss interface. 1.6L x .98W x .95H. Weight: 1 oz.</p> <ul> <li>Designed for subcompact pistols</li> <li>Made from durable 7075 T6 aluminum with an anodized finish</li> <li>Lock Mode prevents accidental setting changes</li> <li>Shake Awake preserves battery life with a motion sensor</li> <li>Red Super LED with 12 intensities for day or night use</li> <li>6 MOA dot reticle is ideal for pistol applications</li> <li>Multi-coated multi-layer reflective glass</li> <li>Side-mounted battery tray</li> <li>Unlimited eye relief</li> <li>Parallax-free</li> </ul>