w5500 -controller for industrial master chipOnboard 4-way high-quality relay, relay with absorption diode circuitThe relay module can be extended up to 8 outputsYou can configure the module through the network parameters, such as the module IP address, default gateway, etcHolding relay status before power down (configurable)Through internet control, remote cloud by local password protection, safe and reliableInput voltage power range: 12V - 24VControl level input: 5VRelay withstand voltage: 10A / 250VAC 10A / 30VDCcolour:blueMaterial:Metal + pcPackage Contents:2 x Networking ControllerOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.