The main function:<br> 1. Tire pressure and tire temperature are displayed at the same time<br> 2. Alarm for abnormal tire pressure and temperature,<br> Alarm when tire pressure is higher than 3.2 bar (default value)<br> Alarm when tire pressure is lower than 1.8 bar (default value)<br> Alarm when tire temperature is higher than 68 (default value)<br> The default value can be adjusted according to actual needs<br> 3. 4 alarm methods: high/low pressure alarm, high temperature alarm and sensor low pressure alarm.<br> 5.Working voltage: DC 5V<br> 6.Pressure unit: bar / psi<br> 7.Temperature unit: /<br> 8.Working temperature: -20 - 85<br> 9.Storage temperature: -40 - 105<br> 10.Waterproof level: IP67<br> External sensor parameters.<br> Transmitting frequency: 433.92MHz<br> Pressure range: 0 3.5 bar / 0 3.5 bar<br> Default low pressure alarm value: 1.8 bar<br> Default high pressure alarm value: 3.2 bar<br> Pressure accuracy: 0.1 bar / 1bar<br> Working voltage: DC+2.0 3.6V<br> Waterproof level: IP67<br> Battery: Built-in CR1632 button battery (the battery can be removed and replaced by yourself)<br> Battery life: 1.5-2 years typical value.<br> Package Contents:<br> Receiver*1,<br> Sensor*2,<br> Anti-theft nut*2,<br> Wrench *1<br> Type A<br> Type B<br> Q A<br> Q: Why doesnt the rear wheel of the sensor read data?<br> Answer: After replacing the sensor battery, please check the paired sensor<br> When pairing the sensors, you need to reinstall the front and rear wheel sensors at the same time