LAN Ethernet 2 Way Relay Board Delay Switch TCP/UDP Controller Module TCP/UDP Controller ModuleDescription:1100 Percent brand new and high qualityFeature:Micro-channel remote control 2-way remote cloud Ethernet net-work switch delay relay TCP/UDP relay module controller can be expanded to 8.STC microcontroller for industrial master chip.Onboard 2-way high-quality relay, relay with absorption diode circuit.With 1-channel power indicator, each relay has status indicator lights up and relay.The relay module can be extended up to 8 outputs, The relay module should be active high.You can configure the module through the net-work parameters, such as the module IP address, default gateway, etc.Holding relay status before power down