Revolutionary Megaview optical design provides massive Field Of View, allowing faster target acquisition, and an enhanced awareness of objects in the shooter’s periphery; Molded glass aspheric lens with high performance coatings for superior light transmittance and zero distortion; Abrasion-resistant lens coatings for extreme durability ensure the lenses on your scope will stay sharp, bright, and clear; High transmittance red notch reflector for excellent brightness, light transmittance and zero distortion; 6 MOA Red-Dot with multiple intensity settings ensures rapid target engagement under a full range of lighting conditions; MOTAC (Motion Activated Illumination) powers up when it senses motion and powers down when it does not provides for optimum operational safety and enhanced battery life; Tested to maintain its zero at over 10,000 rounds of 230 grain, .45 ACP; The readily available CR1632 battery is top-loading, allowing for quick battery replacement without having to remove the sight from the firearm; Extremely strong and lightweight CNC Magnesium housing ensuring a lifetime of reliable service; Dependable waterproof (IPX-7 rated for complete immersion up to 1 meter) and fog-proof performance