WEB LINK: https://www.sonicinformed.co.za/catalogue/ungrouped/usb-4761-be;

ADVANTECH 8-CH RELAY & 8-CH ISOLATED DIGITAL USB MODULE

Compatible with 1.1/2.0
Portable
Bus-powered
8 relay output channels and 8 isolated digital input channels
LED indicators to show activated relays
8 Form C type relay output channels
High-voltage isolation on input channels (2,500 VDC)
High ESD protection (2,000 VDC)
Wide input range (5¬30 VDC)
Interrupt handling capability
Detachable screw terminal on modules
Suitable for DIN-rail mounting
One lockable USB cable for secure connection included

Specifications:
General:
Power Consumption:
Typical: 5 V @ 60 mA
Max: 5 V @ 400 mA
I/O: Onboard screw terminal
Bus: USB 1.1/2.0
Dimensions: 132 x 80 x 32 mm
Operating Temperature: 0¬60 Degree Celcius
OS Support: 32-bit/64-bit Windows 7/8/10, and Linux

Isolated Digital I/O:
Input Channels: 8
Input Range: 5¬30 VDC

-Weight: 500g
-Dimensions: (L)26 x (W)17 x (H)6cm