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

It has 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 USB Control 1 Channel Module 5V Relay Module board has fully machinery processing. And all patch parts manufacturing and each module are tested OK before shipment for high reliability.

OVERVIEW

• • Contact type: NC / COM / NO
  • Input current: ≥300mA
  • Input voltage: DC 5V
  • Support Win7, XP 32-bit systems
  • Onboard square USB interface, stable connection.
  • Use imported high-performance USB control chip.
  • Application code: Green indicates that the  relay is closed, the red disconnect
  • Military grade PCB board production.

• Datasheet