Sig Sauer ROMEO 8H 1x 38mm Red Dot – Closed red dot sight with 50,000 hour battery life.

Features

• Designed for modern MSR platforms and shotguns 
• Ballistic Circle-Dot reticle options
• Users can select from 4 different integrated reticle options (Dot, Circle-Dot, Dot with Holds, Circle-Dot with Holds)
• 100,000 hour battery life and the readily available CR123A 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 
• 1.535in Mount Height
• Strong, lightweight aircraft-grade 6061-T6 aluminum housing 
• Waterproof, IPX-7 rated, and fog-proof.