It is intelligent , portable and durable. It is mainly comprised of a host meter and a specific type of sensor (external sensor). When connected with different type of sensors it can be used to detect , monitor and record accurate real-time data on the spot. With high performance wireless communication module of GPRS / 4G / Wi-Fi , this smart digital meter can automatically record and upload real-time on spot data to your smart phone App and IoT cloud platform online 24 hours a day.