Feature 1Function: TPMS will monitor the tire pressure and temperature status in real time. The four tires data are clear at a glance. 2Sleep Mode: The smart sleep mode is designed to save power and provide longer battery life. 3Multiple Warnings: Tire leak alarm, audible alarm and visual alarm remind the driver to pay attention to driving safety. 4Optional Unit: Fixed rod, Psi pressure unit and fixed temperature unit are optional, really practical. 5Premium Material: With the use of high quality ABS material, heat resistant, can deal with harsh environment.Item Type:Car Tire Pressure Monitor SystemMaterial: ABSType: NumberVoltage: 12VBattery Model: CR2050 (built in)Battery Capacity: 300mAhWorking Frequency: 433.9200MHzWorking Voltage: 5VWorking Current (Quiescent Current): 30uAWorking Current (Dynamic Current): 8mAWorking Temperature: -40-+70Pressure Detection Range: 0-72.5 Psi, 0-5 BarCharging: Cigarette Lighter Socket ChargingBattery Life: 4 external sensor (built in) : 5 yearsFunctions and Characteristic:1. Real time monitoring of tire pressure and temperature.2. Smart sleep mode, save power.3. Tire leak warning4. Visual and audible warnings for abnormal tire pressure and temperature5. 4 Tires pressure and temperature data are clear at a glance6. Fixed rod or Psi pressure unit for selection7. Fixed temperature unit for selection .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 MonitoringSystemScreen4 x Sensor4 x Screw4 x Gasket4 x Bracket1 x ManualNoteThis TPMS can monitor tire pressure and temperature in real time and issue warnings. However, accidents cannot be prevented, so we are not responsible for direct or indirect losses caused by damage to this TPMS