RAMAX W IoT service is available through wifi router (2.4GHz 802.11b / 802.11g channel support) regardless of carrier. You can use the service using RAMAX and IoT products. -Service is available only for IoT devices provided by Ramax. -After signing up, you can use the service. -You can check and control the status of devices installed in your home remotely from outside by using the RAMAX W IoT app and devices. main function 1.RAMAX W IoT Door Lock Function    -Open / lock remote (app) contr