Features: 1, solar technology, all-weather uninterrupted life 2, dual power supply, powerful power supply, even without light can also use usb power supply 3, four tire tire pressure side of the same, safe and worry-free 4, intelligent chip control, accurate real-time prompt 5, automatic switching machine, energy saving 6, multi-vehicle use, multi-environment work 7, Seiko aviation aluminum, strong seal pads Note: 1, the first time when the sensor and the receiver has been paired, change the sensor or receiver only need to re-paired 2, the monitor sleep state to detect the vibration signal automatically boot, display tire pressure, temperature data, stop more than 10 minutes after the automatic sleep 3, press the -"key for 3 seconds to turn on / off 4, the tire running more than 20km, the sensor pressure, temperature automatically update the data 5, the alarm description: When the tire pressure exceeds the set safe range or leakage, the corresponding tire position on the display pressure and alarm symbols flashing, while the buzzer issued a continuous bi bi bi sound prompt; Package included: Receiver *1 Sensor *4