Here we have on offer is Wireless Tyre Pressure Monitoring System Car Tyres With 4 External Sensors. 

Features:

【Real-Time Precision Monitoring】High-precision automotive chips are used by the tire pressure monitoring system to provide accurate real-time data and low transmission latency. It allows you to effortlessly monitor high and low tire pressure, as well as high temperatures for all tires on a single screen.This system can provide immediate visual and audible warnings for pressure and temperature anomalies, crucial for older vehicles without built-in TPMS, enhancing safety and preventing tire-related incidents.

【4 HIGHER PRECISION EXTERIOR SENSORS】Tire Pressure Monitoring System with 4 cutting-edge external sensors that have a long working life, Small size, low power consumption, and quick transmission, high accuracy tire pressure sensor (error range ≈3 PSI)

【 5 Safe and Reliable Alarm Modes】Tire Pressure Monitoring System has 5 alarm methods (fast leak alarm, high/low-pressure alarm, high-temperature alarm, low battery alarm), promptly reporting the abnormal tire condition to the driver, ensure your vehicle performs with optimum levels of safety. You can personalize pressure and temperature limits.

【USB CHARGING】Tire Pressure Monitoring System is set up with a USB port, you can use the USB charging cable to ensure the tire pressure monitor system can working constantly. No matter whether it is sunny or rainy, there is no need to worry about power problems. 

Plug USB cable from vehicle to micro USB on rear base of tyre pressure monitor for charging monitor, should initially charge monitor for 3-4hrs before use..

Monitor offers an additional USB outlet on the side of the monitor, incase you need an outlet for charging your phone or other accessories.

Specifications:

Color: Black

Material: ABS

Charging Method: USB

Monitoring Pressure Range: 0-6 Bar / 0-87 Psi

Temperature Setting Range: 60℃~90℃ 

Working Temperature: -20℃~75℃ 

Display/Sensor Frequency: 433.9200MHz±0.1MHz

Working Voltage: DC 3.7-5V

Sensor Working Voltage: 2 to 3.6V

Dimension: 5.3x5.2x3.2cm (L*W*H)

Sensor Size: 1.8x2.3cm  (H*D)

Sensor Inner Thread Diameter: 7mm 

Package Included:

1 Set Car Tyre Pressure Monitoring System