The rugged and reliable Aimpoint ACRO P-2 3.5MOA is the smallest professional grade, enclosed red dot sight for pistols and other platforms. With the new battery size of CR2032 and new diode technology the Acro P-2 will last for 5 years of continuous use on setting 6/10 (daylight setting). The new design of the Acro P-2 makes the system submersible to 35 meters (115 feet). The new LED gives you a brighter 3.5 MOA dot. The Aimpoint ACRO P-2 3.5MOA can be mounted on a wide range of weapon platforms in combination with different mounting solutions developed especially for this small red dot optic. It can be used as a backup sight for magnifying scopes, personal defense weapons, and any area where a small red dot system is applicable. It is trusted by law enforcement, military, hunters, and sport shooters alike. They all rely on the Acro advantage.