The Nexus Wireless Monitor: Advanced provides convenient remote generator monitoring. A generator owner can use this item to observe generator function, set operation parameters and receive maintenance reminders. Records permanent time/date stamped history of generator alarms. Displays generator errors and warning messages on the easy-to-read backlit screen. Graphs RPMs, utility voltage and battery voltage. The kit includes a wireless transmitter, wire harness connection, remote monitor display unit, desk/wall mount cradle, power supply and 3 AAA batteries. This system is only compatible with air- and liquid-cooled generators that use the Nexus digital control panel.