USB Controlled 4 Channel Relay Module 250V AC 30V DC 10A Load Handling

4 Channel USB Relay Module for Smart Home Industrial and Lab Automation

Fwd-Rev Controller Self-locking Module Load Current Max 2A Bistable Relay

4 Channel USB Relay Module with Stable Connection for Continuous Operation

4 Channel USB Relay Module DC 5V Input for Automation Robotics Projects

4 Channel USB Relay Module for Smart Home Industrial and Lab Automation

220V AC Delay Relay Module 7A Load Capacity for Exhaust Fans and Coolers

For DC Motors Fwd-Rev Controller Self-locking Module Load Current Max 2A