Keep your RV tires safe and monitored with the TST 770 Series 4 RV TPMS with Color Touch Display & Repeater (TST-770-RV-4-TC). Designed for RVers, this advanced tire pressure monitoring system features a vibrant 5" color touch screen display, repeater, and four RV cap sensors to deliver real-time tire pressure and temperature alerts. Easily monitor for low/high pressure, fast leaks, and high temperature. Audible and visual alerts highlight the affected tire by automatically locking onto it and turning it red on the display. The system is expandable, allowing you to add additional axles, towables, or spare tires. The rechargeable display includes a metal backing plate for secure magnetic mounting. Note: Metal valve stems are required for flow-thru sensors if added. Key Features:• 5" Color Touchscreen Display â Large, vibrant screen for clear viewing• 4 RV Cap Sensors Included â Real-time tire pressure and temperature monitoring• Audible & Visual Alerts â Auto-locks to problem tire and turns red• Expandable System â Add sensors for additional axles, towables, or spares• Automatic Pressure Calculation â Calculates recommended pressure ranges• Sensor Battery Monitoring â Displays voltage and alerts when batteries are low• Easy Tire Rotation Updates â Swap tire positions quickly after rotation• Rechargeable Display â USB-C charging for convenience• Magnetic Mount Ready â Metal-backed display works with included magnetic mount• 3-Year Warranty & U.S. Support â Backed by live U.S.-based customer serviceSpecs: SKU: TST-770-RV-4-TCUOM: EANumber of Wheels: 4Type of Display: 770 5" Touch Screen ColorType of Sensor: Cap (Rubber OR Metal Valve Stems)User Replaceable Battery: YesValve Stem Installed: Rubber or Metal Quick & easy touchscreen setup Expandable for larger RVs or towing setups Clear alerts let you react immediately to issues | TST 770 Series 4 RV TPMS w/ Color Touch Display & Repeater in Red