Sig Sauer Romeo4H 1x 20mm Red Dot – 

• Designed for modern semi-automatic pistols, MSR platforms and shotguns
• Comes standard with solid and see-through lens covers and quick release mount
• Ballistic Circle-Dot and Ballistic Circle QuadPlex reticle options
• Users can select from 4 different integrated reticle options (Dot, Circle-Dot, Dot with Holds, Circle-Dot with Holds)
• 50,000 hour battery life and the readily available CR2032 battery is side loading for quick battery replacement.
• Unlimited eye relief to acquire aiming point and target, regardless of eye position behind sight.
• MOTAC (Motion Activated Illumination) powers up or down when sensing motion
• Uses an ultra-efficient red LED illumination for daylight visibility and extended runtime
• True co-witness QR mount and low mount included
• Strong, lightweight aircraft-grade CNC aluminum housing
• Waterproof, IPX-7 rated, and fog-proof.