Sig Sauer ROMEOZero Micro Open Reflex Red Dot Sight (CR1632, 8 Brightness Levels)
The Sig Sauer ROMEOZero is an ultra-compact, open-emitter micro reflex sight built with a WeaponsGrade textured polymer housing and a SpectraCoat HD aspherical polymer lens system. ([sigsauer.com](https://www.sigsauer.com/media/sigsauer/resources/WEB-file-25SIG3822_ROMEOZero_Manual_5x15_7404553-01-R10.pdf))
This unit includes a CR1632 battery. The ROMEOZero features 8 user-selectable brightness levels and MOTAC (Motion Activated Illumination System) to help conserve power while maintaining a fast-ready sight picture. ([sigsauer.com](https://www.sigsauer.com/media/sigsauer/resources/WEB-file-25SIG3822_ROMEOZero_Manual_5x15_7404553-01-R10.pdf))



