8 Channel 12V HID Driverless USB Relay USB Control Switch Computer Control Switch PC Intelligent Control
5V USB 4 Channel Automation Relay Computer Control for Arduino – Aideepen
6 Channel 12V HID Driverless USB Relay USB Control Switch Computer Control Switch PC Intelligent Control
USB Eight Channel Relay Board for Automation
12V USB Relay 8 CH Channel Programmable Computer Control For Smart Hom – diymore
Usb Relay 2 Channel Programmable Computer Control - Dc 12v 8 Channel Relay Control - Aliexpress
5V 12V 24V USB Relay Control Switch 1 2 4 8 Channel Programmable | eBay
Amazon.com: 8CH 12V USB Relay Module Controller FTDI chip Relay Controller Type B USB Relay Board Module Controller for Automation Robotics : Industrial & Scientific