WS558 is a LoRaWAN Smart Light Controller for the monitoring and control of lights. With 2 light circuit types and 8 switches, WS558 can fit in different rooms without the need for re-wiringsand reduce the renovation costs. Besides LoRaWAN , WS558 Light Controller can be controlled whithout agateway via Milesight D2D communication protocol. WS558 Light Controller can be widely used for wireless control of indoor lights, fans, heaters, machines, etc. Power data and switch status of the Controller are transmitted via LoRaWAN protocol. The LoRaWAN technology enables encrypted radio transmissions over long distances while consumingverylittle power. Also, users can check visualized data of the Controller through Milesight IoT Cloud or the user’s own Application Server.