Image is Representational - See Manufacturer Specs | SOLID STATE RELAY (I/O MODULE) 140 V - Input Mod.C4 30VDC 90-140VAC In A Solid State Relay (I/O Module) Voltage Input: 90-140 VAC Voltage Load: 4.5-30VDC Current Rating: 50mA PCB Mount. It has an AC Input type.