PR-300YK-ETH-R08 is a network relay controller that controls 8 relay outputs. The 8 switch quantity outputs can be used for instant control in various occasions. It can control devices less than 10A-250VAC/30VDC. If you want to control large devices, you can connect the intermediate relay. The product makes full use of the existing communication network to connect to our cloud platform. It can realize remote control of relays through computer login cloud platform, WeChat mini-program and mobile APP. It can greatly reduce the construction amount and improve the construction cost and maintenance cost. At the same time, the module adopts the standard 35mm card specification installation, which is convenient to use. It is widely used in: home smart switch control, hotel smart switch, hotel smart appliance control, shopping mall smart switch, company factory smart switch, internet bar timing management, karaoke timing control, Internet of Things, industrial control equipment, test equipment power control, road lamp management, intelligent management, centralized power management, etc.