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

Advantech 8-CH Relay And 8-CH Isolated Digital Input USB Module With LED Indicators, Portable And USB-Powered and 1X Lockable USB Cable For Secure Connection Included - Blue Colour

Features:
-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

What's in the box:
-1x ADV 8Ch Relay+Isolated Digital USB Module