Solar Wireless Car Tyre Pressure Monitoring System 4 External Upgrade Sensor Features: 4pcs External Sensors Solar monitor display panel, Real-time Displays, 4 Tires' Pressure, Temperature and Alarm Function Units switchable: Temperature: ℉/°C ; Tire pressure: Psi/Bar Real-time monitor: TPMS can provide the pressure and temperature statuses of 4 tires in real-time. Power supply: Solar charging or you can charging by USB cable. Different placements: You can directly place it on the car dashboard or stick it on your car windshield by using 2 strong adhesive tapes on its backside. 4 external sensors: With its advanced chips, 4 sensors are with high sensitivity and good accuracy for measuring pressure and temperature. Wide application: This system is widely suitable for vehicles with 4 tires with the maximum pressure of the tire below 3.5 bar, such as: commercial car, jeep, off-road vehicle, minibus, sedan car, etc. Package Include: 1x Tire Pressure Monitor Console 4x Pressure Sensors 4x Anti-lost nuts 1x Hex spanner 1x USB Cable 1x English User manual