Feature 1Dual Charging Convenience: Stay powered with both solar charging and Type-C cable options, ensuring continuous monitoring without frequent battery concerns. 2Real-Time 4-Tire Monitoring: Instantly tracks pressure and temperature for all four tires, displaying data clearly on a single screen for quick, comprehensive checks. Additionally, enhances driving comfort by monitoring the interior temperature of your vehicle. 3Intelligent Auto On/Off with Voice Alerts: Powers on when driving and off when parked, plus provides voice warnings for low/high pressure, overheating, and low sensor battery. 4Easy External Sensor Setup: No tire removal or complex wiring neededinstall in just 2 minutes with no professional help required. 5Wide Compatibility: Works seamlessly with most vehicles requiring tire pressure monitoring (5Bar maximum), including sedans, off-road vehicles, and vans. Item Name: Tire Pressure Monitoring System Material: ABS Host Battery: 3.7V 300mAh Battery (Built-in) Screen Pressure Unit: PSI/BAR Screen Temperature Unit: / Operating Temperature: -20 to 70 Ingress Protection Rating: IPX7 Pressure Range: 0-5 Bar Charging Voltage: DC 5.1V External Sensor Battery: CR1632 button cell (Built-in) Single Button Cell Capacity: 120mAh Number of Button Cells: 1 per sensor Product Size: Approx. 9.6*6.1*3.25cm/3.78*2.4*1.28in Package Size: Approx. 15.7*13*4cm/6.18*5.12*1.57in Package Weight: 182g/0.4lb Package List 1 x Host 4 x External Sensors 1 x USB Charging Cable 4 x Anti-theft Nuts 1 x Wrench 1 x English User Manual 1 x Double-sided Adhesive Tape