Sig Sauer Electro-Optics SOR52001 Romeo5 1x 20mm Obj 2 MOA Red Dot Black CR2032 Lithium

The ROMEO5 features the MOTAC Motion Activated Illumination System which increases battery life by shutting down the system when it's not in use, and instantly activating the system when it senses the slightest vibration or movement. It will mount on any platform and the solid aluminum design will give peak performance and years of service.