Usb-4761-be Advantech 8-ch Relay And 8-ch Isolated Digital Input Usb Module - Tool Parts - AliExpress
Advantech - USB-4750-BE - USB IO, 16 Ch Digital In/Out, 2500 VDC ISO, USB 1.1/2.0 , adsb2, USB-4700 Series - Allied Electronics & Automation, part of RS Group