Available only on OB designated models - Advanced Programming Managing, Monitoring device. Mate 3 has a user friendly interface, intuitive menu structure, easy to read graphical display, system configured wizard, records data for a year, and has a SC Memory card slot to increase data logging capacity as well as to upgrade units in the field. Mate 3 is password enabled. It is also internet enabled which allows full remote system monitoring.** Your OB IndoorGenerator comes pre-programmed to work automatically without user input!**