The GENERAC 6463 Mobile Link Monitoring Device is is a great way to monitor your generator via the mobile app. The Mobile Link utilizes cellular remote monitoring and is compatible with Generac generators ranging from 8kW-150kW. More reliable than Ethernet or telephone connections used by some competitors, you can view your generator's maintenance needs, status as well as maintenance and running history. The exercise schedule can also be set using your computer, mobile device or smart phone. An easy to install feature for your home backup system!