LAN Ethernet 2 Way Relay Board TCP/UDP Delay Switch Controller Module Web Server Q81COOTDTYProscribes:Micro Channel Remote Control 2 Remote Control Cloud Ethernet Switch TCP/UDP Delay Relay Relay Module Controller Can Be Extended To 8 Control Via Ethernet And Internet Pull 2 Relay, ReleaseAnd Can Be Extended By Pin External Relay Module Up To Eight OutputsThe module supports TCP, UDP, remote control cloud three kinds of operationsEasy to understand instructions, the manual can determine 1-65535 seconds delay The module is equipped with VB, Delphi PC program and source code to help you with easy computerized remote controlTCP and cloud remote control can check the status of all relays Also after each command processing is completed, the module will return to the latest status of all relays UDP mode no status query or other returns The code is very simple, easy to build into various applicationsFull support for secondary development, open TCP, UDP control protocol, cloud secondary development package provides remote soap web service API and web service APIModule Features:STC microcontroller for industrial main chipOnboard 2-way high-quality relay, relay with absorption circuit diode Z 1-channel power indicator, each relay has a status indicator light and relay Relay module can be extended to 8 outputs, note: the relay module should be active highYou can configure the module with network parameters such as module IP address, default gateway, etcHolding relay status before power off (customizable)Through internet control, remote cloud by local password protection, safe and reliableSupports 5V or 9-24V input voltage with 1.6mm thickness PCB by military grade FR-4 sheet material, PCB size 6.8x4.8cm, put back mounting holesSpecification:Brand newPCB dimensions: approx. 6.8 x 4.8 x 1.5cm/2.68 x 1.89 x 0.59" Power Requirements: DC5V, Micro USB Power Adapter; Or DC9-24V Quantity: 1 PcNote: Please allow 1-3mm error due to manual measurement. Pls make sure you do not mind before you make a bid, due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!Package Contents:1 Pc x ethernet module