Feature 1、6 Sensors: Support 6 tires display at the same time, high accuracy monitoring of temperature and pressure, saving fuel, anticipating air leakage, reducing tire wear and balancing tire pressure. 2、Charging Methods: Using solar power and USB port charging, two charging methods to ensure higher charging efficiency and solar tire pressure monitoring system can work continuously, and built in battery with strong battery life. 3、Outstanding Features: Two pressure units "PSI, BAR" and two temperature units "℃, ℉" can be selected, support tire changing function, IP7 waterproof. 4、Advantages: Tire pressure monitor can be placed on the windshield, no need to look down when driving, not blocking the view, saving space, providing you with a safer way to view tire pressure monitoring. 5、Alarm Reminder: With RF wireless technology, the tire pressure monitoring system can provide visual and auditory alarms when tire pressure and temperature are abnormal, also remind you of your vehicle's tire condition, prolong tire life, ensure driver safety. Item Type: 6 Wheel Tire Pressure Monitoring System Material: ABS Sensor Built in Battery: Button battery CR1632 120mAhx6 (shipped with built in battery) Display Built in Battery: 18650 lithium battery 2200mAhx1 (shipped with built in battery) Display Parameters: Operating Temperature :-20℃~ + 80℃) Storage Temperature :(-30℃~ + 85℃) Transmission Frequency :433.92 MHZ Sensor Parameters: Operating Temperature :-40℃~ + 105℃) Storage Temperature :(-40℃~ + 120℃) Pressure Accuracy :±1.5 psi(±0.1 bar) Temperature Accuracy :±3℃ Transmit Power :< 10 dbm@50Ω Transmission Frequency :433.92 MHZ Battery Life :2 years Applicable Models: RV, trailer, truck and other 6 wheeled vehicles Package List 1 x Tire Pressure Monitoring System 6 x Sensors 1 x Anti Slip Mat 1 x Data Cable 7 x Nuts 1 x Wrench 1 x User Manual 1 x Installation User Manual