Stay ahead of tire problems with this EEZ RV Products EezTire E518-10AT Wireless Tire Pressure Monitoring System (TPMS). This complete kit includes 10 wireless tire sensors, making it ideal for motorhomes, fifth wheels, travel trailers, trucks, and tow vehicles. The monitor has been tested and powers on properly. Everything shown in the photos is included, including the original box, manuals, charging cable, mounting hardware, and accessories. The E518 system monitors tire pressure and temperature in real time and can be expanded to monitor up to 26 wheels, providing audible and visual alerts for low pressure, high temperature, and rapid air loss. Genuine EEZ RV Products EezTire E518-10AT. Includes 10 wireless tire sensors. Monitors tire pressure and temperature. Handles up to 26 wheels. Audible and visual warning alerts. Ideal for RVs, trailers, trucks, tow vehicles, and motorhomes. Original box and manuals included. 10 wireless TPMS sensors. Mounting hardware and accessories. The monitor powers on as shown in the photos. Please review all pictures carefully, as they form part of the description and show the exact item you will receive.