Description:  It controls the absorption and release of the 2-way relay through Ethernet network and Internet, and can extend the relay module to 8-way output from the pin laying outside. The module supports TCP, UDP and cloud remote control. The instructions are simple and easy to understand. The 1-65535 second delay can be specified in the instructions. The cloud remote control public service platform is free to use permanently, the control is protected by the local password, the operation is safe and reliable. Module with VB, computer program and source code, to help you easily achieve computer remote control. TCP and cloud remote control can query the status of all relays. In addition, after each instruction is processed, the module will return the current status of all relays. UDP mode has no status query or other return, the code is extremely simple, easy to embed in various applications.  Fully support secondary development, open TCP, UDP control protocol, cloud remote secondary development package provides SOAP Web Service API interface and RESTful Web Service API interface.     Module Features:  Industrial STC microcontroller as the main control chip.  On - board 2 - way high - quality relay with absorption diode circuit.  With 1 channel power indicator light, each relay has status indicator light, the light is on and the relay pulls in.  The relay module can be extended to reach 8 outputs. Note: the relay module should be highly active.  Module parameters, such as module IP address, default gateway, and so on, can be configured over the network.  Maintain relay status before power failure (configurable).  Through Internet control, the cloud remote control is protected by the local password, secure and reliable.  Support 5-24V input voltage, 2 power terminals optional 1.6mm thick PCB is made of military-grade FR-4 plate, with the size of 70mm X 50mm and mounting holes reserved.     Specification:  Power : DC5-24V.  PCB size: Length 70mm X width 50mm.  Type: 2-way.  Interface:  +5V: +5V power positive, input or output.  GND: Power source, input or output.  P30 -- P35: CH3 -- CH8 control line, high level effective.  CLR: The factory Settings can be restored by short-connecting CLR and powering up the module.  Blue terminal:   It can use 220V AC equipment or DC equipment less than 30V under the load of the user. The current of the equipment should not exceed the standard load of the relay. Each relay has a normally open contact, a normally closed contact and a common contact. When the relay pulls in, the common contact and the normally open contact conduct. When the relay is released, the common contact and normally closed contact conduct.     Package included:  1 x 2-way TCPUDP Module Controller