Buy on Amazon : br br HOLOSUN Infiniti Red Dot Sight (2 MOA) with Side Mounted Laser Sight br br 50000 hours of battery life thats over 5 years of continuous use with 8 hour auto shutoff br Parallax-free when the red dot is on the target so are you br High quality clear lens with crisp bright red dot br High strength aluminum MAO finish br Fully waterproof and submersible to 100 feet