features of LEUPOLD DeltaPoint Micro 3 MOA Dot Reflex Sight 178745 Professional-Grade Red Dot Optical System Compact design ideal for smaller pistols 8 brightness settings Direct replacement for factory rear sight Tool-less quick-change battery compartment Motion Sensor Technology (MST) Unlimited eye relief Lightweight aluminum housing Enclosed design prevents snags and increases protection Waterproof Fogproof Product Info for LEUPOLD DeltaPoint Micro 3 MOA Dot Reflex Sight 178745 The DeltaPoint Micro is fast on target, extremely accurate, and built Leupold tough. But it&';s the low-profile, concealable design that really makes it stand out from the competition. Mounted at the same height as factory iron sights, the DeltaPoint Micro aligns the red dot with the front sight, making target acquisition fast and intuitive and improving your accuracy, all while maintaining a compact profile. No red dot on the market is more compact. This design delivers all of the accuracy of a traditional red dot while maintaining a compact profile that&';s ideal for conceal carry and personal defense. It&';s a direct replacement for the rear factory iron sight and because it mounts at the same height, it&';s perfect for anyone transitioning to a red dot sight for the first time. The fully enclosed system provides complete protection from the elements and ensures it will perform in the harshest conditions, while adjustable illumination settings make the DeltaPoint Micro extremely accurate in any conditions. The DeltaPoint Micro was made for men and women who rely on their equipment to perform when it matters most. Its compact design is lightweight and rugged and won&';t get your way in the field, while its sight picture is second to none. Like all Leupold riflescopes, it&';s designed, machined, and assembled in the USA and guaranteed for life.