The ROMEO7 full-size red-dot sight provides the civilian and armed professional with a robust 1x aiming solution optimized for today's MSR platforms, regardless of caliber. The battery life lasts an amazing 62,500 hours and the low AA battery compartment allows for quick battery replacement without having to remove the sight from the firearm. The high performance lens coating allows for not only excellent light transmission and zero distortion, but also allows for the highest possible dot brightness FeaturesFeatures Low Dispersion (LD) glass lens design with high performance coatings for excellent light transmittance and zero distortionThe 2 MOA dot is optimal for close quarters battle to mid-range target engagementFeatures Sig's 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 life62,500 hours of continuous battery life in medium illumination setting with singl...