USB Relay Module Control Switch LCUS‑1 Type DC 5V with High Performance Control Chip

USB Relay Module Control Switch LCUS‑1 Type DC 5V with High Performance Control Chip.Feature: 1. The relay module has a long service life, and can be connected continuously for 100,000 times 2. With a variety of protection functions to ensure the stability and safety of work 3. The relay module has high‑performance control chip, which can meet various work needs 4. The serial port debugging software can be used on the computer to send serial commands to control the opening and closing of the rel