Amazon.com: USB Relay Module USB Intelligent Switch Control MCU PC USB Smart Control Switch Jog Self-Locking : Electronics
USB Actuator Switch
2 Channel 5v Relay Module Usb Control Switch / 2 Way 5v Relay Module / Computer Control Switch - Buy Two Channel 5v Relay Module Product on Alibaba.com
Amazon.com: SMAKN LCUS-1 type USB relay module USB intelligent control switch USB switch : Electronics
5pcs 2 Channel 5V HID Driverless USB Relay USB Control Switch Computer Control Switch PC Intelligent Control Relay Module
usb relay switch
5v 12v 24v 4 Channel Relay Module Computer Usb Control Switch Free Driver Pc Intelligent Controller - Relays - AliExpress
Module 1x USB controlled relay, 1x10A | GM electronic COM
8 Channel 12V HID Driverless USB Relay USB Control Switch Computer Control Switch PC Intelligent Control Relay Module
USB Relay Controller Board - 4 Channels for Home Automation
USB Relay Controller - High Power USB Relays for Industrial Applications
8 channel 12V relay module /computer USB control switch / free driver / PC Intelligent Controller - Newegg.com
USB Relay
8-Channel DC 12 V Computer USB Control Switch Relay Module USB Switch Control... | eBay
3pcs 1 Channel 5V HID Driverless USB Relay USB Control Switch Computer Control Switch PC Intelligent Control Relay Module
Amazon.com: Wendry USB Relay Module Switch, Multi-Functional 16 Channel DC 5V USB Relay Module Switch Control by Computer : Industrial & Scientific