The Aimpoint CompM5 is a high performance red dot developed for military and law enforcement applications. Designed for use with "both eyes open", these red dots greatly enhance situational awareness and target acquisition. The CompM5 has ulimited eye relieve, has night vision compatibility, and is compatilble with Aimpoint 3X and 6X Magnifiers. Using popular and easy to find AAA batteries, the CompM5 has a run time of over 5 years when using the #7 position (out of 10). No mount is included with this red dot making it perfect for those who intend to use and aftermarket mounting option. Runs off Standard AAA batteries 2 MOA Dot Submersible up to 150 Mfg: Brownells