AimPoint Micro T-1 4 MOA Night Vision Compatible Sight polymer Imported Compact aiming system provides performance of full-sized sights in small package; weighs less than four ounces, including integrated mount State-of-the-art ACET diode technology allows sight to operate continuously for over five years on single CR-2032 battery Lightweight sight weighs less than four ounces including integrated mount, and can be easily piggybacked on top of larger magnifying scopes optics Unique band-pass coating on front lens provides optimal dot brightness, as well as clear, crisp images Includes limited manufacturer's warranties of two years for professional or competitive use, and ten years for personal or recreational use