The ROMEO5 Gen II compact red dot sights offer civilians and armed professionals a reliable 1x aiming solution for any situation. With ultra-low parallax, the point-of-aim remains consistent with the point-of-impact, keeping the red dot parallel to the bore regardless of viewing angle. Unlimited eye relief allows for quick target acquisition from any eye position behind the sight. The CR2032 battery is side-loading for easy replacement and offers over 40,000 hours of life. These sights are also IPX-7 rated for complete water immersion up to 1 atmosphere, ensuring dependable waterproof and fog-proof performance.