Whether you're an avid hunter, in law enforcement, or in the military, an EOTECH 552 A.65 Holographic Weapon Sight will give you an undeniable tactical advantage. Holographic Weapon Sights (HWS) offer true 2-eye shooting for a better targeting experience. State-of-the-art Heads-Up Display Window is built from 3-layer shatterproof laminate glass and protected by a rugged, roll bar-style hood for the apex of durability. Precisely designed and rigorously tested to perform in the most demanding environments. Waterproof, fogproof, and shockproof. Requires 2 AA batteries (not included). One of the most popular HWS models, the battle proven Model 552 has been standardized. Compatible with Gen I-IV Night Vision Systems, the 552 features transmission holography, 1X magnification, unlimited eye relief, waterproof (submissible to 33 feet), fogproof internal optics, and anti-glare coating on the optical surfaces. Compatible with Gen I-IV Night Vision Systems Transmission holography Unlimited eye relief Waterproof (submissible to 33 feet) Fogproof internal optics Anti-glare coating on the optical surfaces Mounts on 1 Picatinny or Weaver rail