TPMS, Wireless Tire Pressure Monitoring System for RV, Trailer, Coach, Motor Home, Fifth Wheel, Including 10 Anti-Theft Sensors. 6 CR2032 batteries required. 7.83 x 6.18 x 3.19 inches. ?? 5 Alarms Modes for Safe Driving? VESAFE RV TPMS observe up to 22 tires in total with 5 alarm modes on high/low tire pressure, temperature, tire leakage, and battery life. The alert values are adjustable as per your needs. The alarm will be triggered when the tire pressure is higher or lower than the preset values. ?? Accurate Reading on Large Screen? The tire pressure monitor displays accurate real-time data of each tire for 5 sec as it scrolls through all connected tires. An audible and visible warning will be triggered when abnormal conditions occur. ?? Low Power Consumption & Long Lifespan? The monitor supports driving up to 2,500 miles with a full charge. The tire sensors are anti-theft and durable with a battery life up to 2 years. The batteries are replaceable once used up. ?? Automatic Connection & Sleep Mode? The monitor automatically sleeps/wakes up by movement detection or you may wake it up by tapping the screen. For tow vehicle with trailer, the TPMS automatically connect/disconnect by distance detection. ?? Professional Support & Tips? 1 Keep other electronic devices away from the monitor. 2 Signal booster is recommended to reduce interference between the sensors and the monitor. 3 Feel free to get professional support from VESAFE for any problems. And we have cooperated with customers from over 50 countries, we pursure to making high quality products and we are always ready to response and ensure your satisfaction. 1 VESAFE Tire Pressure Monitor. 4,6,8 or 10 VESAFE Tire Pressure Sensor. 1 Suction Cup & Dashboard Mount. 4,6,8 or 10 Rubber Waterproof Seal. 4,6,8 or 10 Hex Nut. 4,6,8 or 10 Rubber O-Ring. How does it work. The monitor displays the pressure and temperature, and provide alert when the pressure and temperature is outside of the preset levels. The sensors transmit the pressure and temperature readings every 5 minutes when they are mounted on the tires. This is not the product you need to watch constantly, if there is a problem, the unit will beep and the red light will flash. Therefor, place it somewhere within your peripheral vision. Try to keep the monitor away from other major electronics. If you have to use a valve extenders, we highly recommend straignt metal valve extenders. Never use rubber or plastic valve extenders. Users can mount it on the windshield using the suction cup. Place it on the dashboard using the included plastic panel. Sensor Low Battery Alarm. The sensor is designed with anti-theft function, you can mount the sensor with the hex nut, then mount the sensors with the included wrench. Battery Life and Low Battery Indicator. The monitor has a built-in lithium-ion rechargeable battery which will function for up to 2500 miles’ driving before requiring a re-charge. A fully charge takes approximately 4 hours. The sensor, along with the O-rings, keeps the sensors away from any weather and environmental damage. The sensors transmit can be up to 50ft, however, this may be vary depending on the size of the vehicles, other electronics package, and amount of the metal between the sensor and monitor. You will need to add a signal booster if the monitor doesn’t receive the signal from all the sensors. We offer the best prices around on high quality products. Our E-store includes media such as books, movies, music and games while offering electronics, toys, sporting apparel, clothing, tools, general home, garden items and more. We are always working hard to ensure your package arrives as soon as possible. We do not accept P. Please provide a physical address. We try our very best to make sure every customer is completely satisfied. If there’s a problem, message us! We’re happy to help.