This wireless tyre tension control system is supplied with six external sensors and a digital monitor to monitor the tyre voltage and temperature of your vehicle 24-hour every , and it can be used for Truck. Feature: By using the advanced 6-in-1 wireless sensors that highly integrated pressure and temperature sensor we the top of the line and reliable TPMS for you. The intuitive monitor and smart buzzer secure a safer driving experience for you. Real-time detection of tire pressure/temperature, battery power, leakage / low battery alarm. Instant o alarm of abnormal pressure or temperature. Wireless connect by sensors, easy installation. Solar power charging. Built-in high capacity rechargeable battery LCD display screen, Simple user interface. Sleep mode available. Specifications: Solar Receiver: Input Voltage: 4.5 V~6VUSB Sleep current: 70uAReceiving sensitivity: -105 dbm Working Temperature: -30 80 Working Frequency: 433.92 MHz30KHZ External Sensor: Battery Model: CR1632(140mAh) Standby current: 0.7uA Transmission current: 10mA Working frequency: 433.92 MHz30KHZ Air pressure measurement range: 0~8Bar/0-116Psi Temperature measurement range: -30~60 Air pressure measurement error: 0.1Bar (25) Temperature measurement error: 3 Operating temperature: -30~60 Battery Life: More than 1 year(battery can be replaced) Package size: 16*14*6cm Packge weight: 280g Pakage list: 1 set Solar Charging Tyre Pressure Monitoring System