Designed for use with C Series Charge Controllers, this digital meter mounts onto the front of a charge controller, or as a remote, it can be installed up to 100ft (31 m) away. It displays volts, amps, and resettable cumulative amp hours for a solar array, DC loads, or diversion loads, depending on application. The CM/R comes with 50ft (15 m) or 100ft (31 m) communication cable for remote installation.