This is the Holosun EPS 2-MOA red dot pistol sight.

The EPS is a compact enclosed pistol sight designed for full-size pistols. The EPS features 2 MOA dot, 7075 T6 aluminum housing, and the lowest deck height, facilitating use with standard height iron sights on many pistol models.

Comes with pistol sight, multi-tool, owner manual, and lens cloth.

Features

• Parallax-free & unlimited eye relief
• Shake Awake technology with last setting recall
• IPX8 certified waterproof
• 50,000 hours of battery life
• Anodized 7075 T6 aluminum construction