The ROMEO5 features SIG's MOTAC(TM) (Motion Activated Illumination) which increases battery life by shutting down the system when not in use and instantly activates the system when it senses the slightest vibration or movement. Your sight will be up when you go into action. The ROMEO5 will mount on any platform and the solid aluminum design will give peak performance and years of service. The ROMEO5 Compact Red Dot Sight provides the civilian and armed professional with a robust 1x aiming solution optimized for today's MSR/AR platforms. The 2 MOA Red-Dot provides 10 illumination settings (8 daylight plus 2 NV) for visibility in all light conditions Feature Mfg: Sig Sauer, Inc.