Shanghai Matis Electric Co.,Ltd. is an electric company dedicated to smart IoT metering breakers. We can offer various smart devices will offer solution to full protection, metering, faulty analysis, wireless communication, remotely monitor and operation, and easy installation. Our smart device includes MT61 series, MTS3 series, M5EL, M3EL, MT51, MT53, MT55, etc., integrated with both hardware and software on iOS, Androd, www. through GPRS, WiFi, NB-IOT, etc.