Designed to help improve precision and accuracy with any style or caliber of weapon, the Trijicon RMR Type 2 was built to last. LED powered, the RMR Type 2 operates with a CR2032 battery. Made of aluminum, the RMR Type 2 is lightweight yet tough. Quick adjustments can be easily made now with its audible clicks. The RMR Type 2 is tough enough for any military, law enforcement, or hunting endeavor.