The RXS-100 is the new market leader in price and performance. Class leading value starts with multi-platform versatility with its DeltaPoint Pro mounting pattern daylight bright 4 MOA dot with 8 settings side battery door up to 5000 hours of battery life and an included Weaver-style low-rise mount. - EFFICIENT CLEAR 4 MOA DOT WITH 8 BRIGHTNESS SETTINGS Point source LED creates a clean beam that produces a strong dot without wasting energy. - LONG LASTING BATTERY LIFE With 5000 hours on the mid setting (Setting 5) you won't need to change the battery any time soon. The side loading battery is easy to replace without removing the sight from the firearm allowing you to retain your zero. - MOUNTS ON PISTOLS AR'S AND SHOTGUNS Works across all common red dot mounts with DeltaPoint Pro footprint and included Weaver-style low-rise mount. - DURABLE ALUMINUM CONSTRUCTION Rugged aircraft grade extruded aluminum housing ensures the glass and electronic internals are protected against firearm recoil (including pistol) and rough field use. - CONVENIENT LAYOUT AND DESIGN Detented Windage/Elevation adjustment with 1 MOA per click. Top loading battery (CR2032) for easy replacement. Easy access push button design for brightness setting adjustment. - Adjustment Range (Total): 100+ MOA - Click Value: 1 MOA - Dot Color: Red - Eye Relief (in.): Unlimited -Length (in.): 46mm / 1.8 in. Footprint; (48mm / 1.9in. Overall) - Lens Coating: Multi-coated - Magnification x Objective Lens: 1x - Parallax: 50 - Brightness Settings: 8 - Reticle: 4 MOA Dot - Height: 38.7mm W/Base; 27.9mm W/Out Base - Water Resistant: Yes IPX7 - Weight (g): W/Out Base 36.5g / 1.3 oz; W/Base 61.6g / 2.2oz - MOA Per Rev: 30 - Mount: Direct mountable to Deltapoint Pro standard; Weaver style mount included - Battery Life: Up to 5000 Hours - Battery: CR2032 - Auto Shutoff: Yes 12hr with no button presses