The MMRDT (3 MOA Mini Red Dot) Was designed for use in the most adverse shooting conditions. Ideal for quick target acquisition at short to mid-range. - MMRDT Features: - Limited lifetime warranty - 3 MOA Dot - Motion activated �Shake Awake� feature with 2-minute automatic shut off - 10 Brightness settings - Night vision compatible setting - Aircraft grade anodized aluminum body - Commonly available CR2032 Battery - Battery life of 50000 hours on the mid (5th) setting. - Low profile 1913 Picatinny rail mount - Common pattern interchangeable mounting base - Auxiliary rear sight - Protective rubber cover