The ML2000 Series is an ANSI/BHMA Grade 1 mortise lock designed to meet the rigors of high-traffic, abusive environments. Constructed of heavy-gauge steel with unique, patented features and a full range of trim and functions including status indicators and Motorized Electric Latch Retraction (MELR), the versatility and reliability of this lock complement any application.Status indicator options offer a unique and highly visible window design and provides clarity on the locked/unlocked status of a door. Available for use with a wide range of trim options and with a variety of functions, the mortise lock status indicators are versatile for any application.