This is a 1 channel version of different relays available in our shop. The USB Control 1 Channel Module 5V Relay Module has the Onboard USB Control Module with one 5V Relay Module with a square USB port, and the connection is stable.

It has a high-performance USB controlling chip and genuine relay on board as well as military-level PCB board workmanship. The USB Control 1 Channel Module 5V Relay Module supports Win7, XP 32 system.

The module board has fully machinery processing. And all patch parts manufacturing and each module are tested OK before shipment for high reliability.

Features :

The onboard square USB interface, stable connection.
Use imported high-performance USB control chip.
Application code: Green indicates that the relay is in the closed state, the red disconnect
Military-grade PCB board production.
Use genuine pine music relay
Support Windows 7, XP 32-bit systems