TM2 RV Sistema di Monitoraggio Pressione Pneumatici, Monitor Pressione Pneumatici con Carica Solare,

This ensures you can stay focused on driving without worrying about TPMS battery levels. [Up to 10 Tires' Info & Repeater's Function]: The maximum number of tires being monitored in a single TM2 system are 10 tires (The display could be swapped between front vehicle and trailer).

eBay