TPMS System Tires Retrofitted Type For Passenger Car 24 Hour Monitoring And Alarms

Aftermarket Tire Pressure Monitoring Systems for Passenger Vehicles: Product Introduction

I. Product Overview

Aftermarket tire pressure monitoring systems for passenger vehicles are retrofit devices designed for various types of passenger vehicles, including sedans, SUVs, and MPVs. They are primarily divided into two categories: systems with external sensors and systems with internal sensors. These systems are specifically designed for vehicles that do not come equipped with a TPMS or whose original tire pressure monitoring systems are outdated or malfunctioning. The product employs a high-precision direct monitoring principle, enabling real-time, accurate monitoring of tire pressure and temperature changes across all four tires. This addresses the shortcomings of factory-installed indirect TPMS systems, such as significant measurement errors, lack of temperature monitoring, and delayed warning responses.

The entire system requires no modifications to the vehicle’s original wiring and does not compromise the vehicle’s structural integrity, making it a non-destructive retrofit upgrade. The system transmits data via wireless radio frequency and, paired with a high-definition display terminal, provides vehicle owners with real-time tire safety data and audible and visual alerts for abnormalities. It effectively addresses issues such as slow air leaks during daily driving, abnormal tire pressure, high-speed tire blowouts caused by high temperatures, and uneven tire wear. Suitable for various household driving scenarios—including city commuting, highway driving, and long-distance travel—it represents a highly cost-effective vehicle safety upgrade.

II. System Composition

The tire pressure monitoring system for passenger vehicles features a streamlined design and easy installation. The core components are identical for both the built-in and external versions; only the sensor design and installation method differ. The entire system consists of four core components:

1. Tire Pressure Sensor (built-in or external): This serves as the core data collection component of the system. The external sensor uses a nut-locking design and is installed directly on the outside of the tire valve stem, allowing for easy installation and removal without the need to remove the tire; The built-in sensor is installed inside the tire and requires professional tire removal for installation. It is secured within the tire, offering greater protection, reduced risk of theft, and more accurate data collection. Both types of sensors are equipped with high-precision MEMS pressure and temperature chips, supporting wide-temperature operation, shock and water resistance, and an ultra-low-power design for stable battery life.
2. Wireless Receiver Unit: A high-sensitivity RF receiver module that reliably receives wireless data transmitted by the four-wheel sensors. It features built-in anti-interference algorithms to filter out interference from in-vehicle electronic devices and road electromagnetic signals, eliminating data delays and packet loss while ensuring synchronized transmission of data from all four wheels. It is compatible with the signal environments of various vehicle models.
3. Smart Display Terminal: Mainly available in several types, including solar-powered displays, USB-powered displays, and rearview mirror displays, which can be mounted on the center console, windshield, or other locations. The high-definition digital screen displays tire pressure, tire temperature, and sensor battery level independently for each wheel. It supports automatic screen-off and smart screen-on functions, offering clear visibility during the day and glare-free viewing at night, adapting to the driver’s driving habits.
4. Smart Control and Warning Module: Responsible for data analysis, threshold calculations, fault diagnosis, and audible and visual alerts. Equipped with a proprietary algorithm, it adapts to various driving conditions—including unloaded, fully loaded, high-speed driving, and low-speed commuting—automatically calibrating data to accurately identify abnormal tire conditions.

III. Core Features

1. Precise All-Wheel Monitoring: Collects real-time pressure and temperature data from all four tires around the clock. Data is displayed independently for each tire with precise wheel identification. With rapid data refresh rates and high measurement accuracy for pressure and temperature, it provides real-time insight into tire health, eliminating the need for the vehicle’s original vague, estimation-based monitoring.
2. Comprehensive Intelligent Anomaly Alerts: Supports seven core warning functions: underinflation, overinflation, high tire temperature, rapid air loss at high speeds, slow air leakage, low sensor battery, and signal loss. Combined with dual audible and visual alarms, it provides immediate alerts for anomalies, helping to proactively avoid safety hazards such as tire blowouts on highways, veering off course, and braking imbalance.
3. Adaptive Driving Condition Calibration: The system intelligently adapts to various scenarios—including daily commuting, highway cruising, fully loaded trips, cold winter conditions, and hot summer conditions—automatically adjusting the reference tire pressure. It also supports manual customization of alert thresholds to prevent false positives and missed alerts, ensuring compatibility with the original tire pressure standards of different vehicle models.
4. Smart Power Saving for Long Battery Life: The sensors feature motion-activated wake-up and parking sleep modes—monitoring automatically activates while driving and enters sleep mode when parked to reduce power consumption. The display unit supports dual charging via solar power and USB, eliminating the need for frequent recharging during daily use and ensuring long-lasting battery life.
5. One-Click Pairing and Maintenance-Free Operation: The device supports one-click automatic pairing and adaptive wheel position recognition. It can be quickly re-paired after tire rotation or sensor replacement, requiring no specialized tools or complex setup; the system performs a self-test upon power-up, eliminating the need for adjustments or maintenance during daily use.
6. Stable Transmission with Interference Resistance: Optimized wireless RF transmission algorithms effectively resist interference from in-vehicle electronics, navigation systems, and surrounding electromagnetic signals. Data transmission remains stable during driving, with no lag or disconnections, ensuring continuous monitoring effectiveness throughout the journey.

IV. Product Advantages

(I) Universal Core Advantages

1. Non-invasive installation, compatible with all vehicle models: Featuring a purely wireless design, the system requires no cutting of wires or modifications to the vehicle’s original electrical system or body structure, and does not affect the original manufacturer’s warranty. It is compatible with all passenger vehicle models—including gasoline, hybrid, and fully electric vehicles—and offers convenient, plug-and-play installation.
2. Precise Monitoring, Far Superior to Basic Factory Systems: Unlike factory-installed indirect tire pressure monitoring systems (which rely solely on rotational speed differences), direct monitoring accurately detects even minor air leaks and abnormal tire temperatures. It offers higher monitoring precision and more timely warnings, significantly enhancing driving safety.
3. Cost-Effective and Tire-Protective: Real-time monitoring of tire pressure prevents uneven wear and premature aging caused by abnormal pressure, effectively extending tire lifespan; Maintaining standard tire pressure reduces rolling resistance, lowering fuel/electricity consumption and saving on vehicle operating costs.
4. Simple to operate, ideal for home use: The visual digital display presents data in an intuitive and easy-to-understand format. Smart alerts eliminate the need for manual monitoring, making it suitable for everyday use by ordinary car owners with no learning curve.

(II) Exclusive Advantages of the External Model

1. Zero-threshold installation: No need to remove tires or perform wheel balancing; car owners can install it themselves by hand. Installation is quick, incurs no installation fees, and offers excellent value for money;
2. Convenient maintenance: Replacing the sensor battery is simple and requires no tire removal, making daily maintenance hassle-free and effortless.

(III) Exclusive Advantages of the Internal Model

1. Greater Stability: The sensor is built into the tire and not exposed to the outside, eliminating issues such as high-speed wind resistance, detachment due to impacts, and theft from manual removal;
2. More Accurate Data: Located close to the tire’s internal environment, tire temperature and pressure readings better reflect actual operating conditions and are more resistant to external environmental interference;
3. Aesthetic and Durable: With no external protruding parts, it does not affect the vehicle’s appearance, minimizes wind noise at high speeds, and is waterproof, shock-resistant, and resistant to aging, ensuring a longer service life.

V. Application Scenarios

1. Daily Urban Commuting: Suitable for low-speed driving and frequent stop-and-go conditions in urban areas, it accurately monitors slow air leaks and natural tire pressure decay, preventing tire wear caused by prolonged driving at low pressure.
2. Long-Distance Highway Driving: Designed for continuous high-speed driving where tires heat up rapidly and the risk of blowouts is high, it monitors tire temperature and pressure in real time, providing early warnings of potential hazards to ensure safety on long trips.
3. Seasonal Driving Conditions: Suitable for high temperatures and intense sunlight in summer, as well as low temperatures and icy conditions in winter, it accurately monitors tire status under extreme temperatures to prevent issues such as blowouts caused by high heat and abnormal tire pressure due to cold weather.
4. Multi-Scenario Family Use: Suitable for various family driving scenarios—including fully loaded trips with passengers and cargo, short-distance outings, and intercity travel—it provides comprehensive protection for driving safety and is suitable for all drivers, from beginners to experienced drivers.
5. Upgrades for Older Vehicle Models: Designed for vehicles that lack factory-installed TPMS, have malfunctioning factory monitoring systems, or are lower-trim models without TPMS, it enables a low-cost upgrade to enhance vehicle safety.

6. Project	Parameters
   Monitoring Method Direct TPMS	Direct TPMS (separate sensor for each wheel)
   Pressure Measurement Range	0–18 bar (higher ranges available upon request)
   Pressure Accuracy	±0.1 bar
   Temperature Measurement Range	-40°C to +125°C
   IP68 / IP69K	IP68 / IP69K
   Communication Method Sensor:	RF 433 MHz/BLE
   ower Supply ECU:	Vehicle DC 9–36 V
   Operating Temperature	–40°C to +125°C
   Wheel Position Expansion	Expandable to 2–108 wheels as needed
   Service Life	Over 5 years