Feature 1Easy to Read Data: Professional manufacturing, LCD display, high volume alarm, various tire pressure units are optional, support tire position swap. 2Accurate Monitoring: The tire pressure monitoring system accurately monitors tire pressure and tire stability throughout the process to ensure driving safety. 34 External Sensors: Including 4pcs tire pressure monitoring sensors, the tire pressures and tire temperatures of 4 wheels can be displayed at the same time. 4High Efficiency Charging: Solar energy and USB charging modes ensure higher charging efficiency. The built in lithium battery, unimpeded battery life in cloudy days. 5Wide Application: Wireless tire pressure monitoring system has long receiving distance, stable signal, suitable for most cars, RVs, trucks and so on.Item Type: Tire Pressure Monitoring SystemMaterial: ABSReceiverParameters:Receiving Frequency: 433.92MHzPowerSupply Mode: USBPowerSupply, SolarPowerSupplyWorking Voltage:DC5VPressure Unit: Bar and PsiTemperature Unit: and Operating Temperature: - 20-85 Storage Temperature: - 40-125 Tire PressureMonitor Parameters:Transmission Frequency: 433.92MHzPressure Range: 0-3.5 Bar, 0-50 PsiDefault Low Pressure Alarm Value: 1.8 BarDefault High Pressure Alarm Value: 3.2 BarPressure Accuracy: 0.1 Bar, 1.5 PsiWorking Voltage:DC+2.0-3.6VOperating Temperature: - 20-85 Storage Temperature: - 40-125 Waterproof Grade: IP67Battery: 4pcs CR1632 buttonbatteries120mAh 3.0V (built inbattery)DisplayBattery: 1polymerlithiumbattery400mAh 3.7V (built inbattery)BatteryLife: 1.5-2 years typical valueApplicable Models: All kinds of car truck RV models .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x RV Tire PressureMonitor4 x Sensor4 xAntiTheftNut1 x Non Slip Mat1 x USB Cable1 x Wrench1 x Manual