[DI input channels]：4

[DO output channels]：4

[Interface type]：Switch digital type

[Size]：110*84.32*25.3mm

[Product weight]：164±5g

[Introduction]：This product is a cross-communication function product.The shell adopts three-proof coating, which is Anti-Fungal, Anti-Humidity, and Anti-Salt Spray. Function: The sender collects 4-channel switch signal and transmits the data to the receiver through wireless (LoRa spread spectrum) or network port, and the receiver restores the 4-channel switch signal.