1、MAIN USE: 6 channel USB relay module is used for wireless control relay on/off and development of embedded systems. 2、WIDE APPLICATION: This relay module is suitable for households, farms, factories, offices, laboratories, supermarkets, etc. 3、EASY TO USE: USB relay module is very easy to set and reset. There are three operating modes to choose from (instantaneous, switching, locking mode). 4、EASY INSTALLATION: Comes with a small size and a light weight as well, this relay board is easy to install, which can be put into use soon. 5、IDEAL REPLACEMENT: Wonderful replacement for the old and damaged parts, fine workmanship, attention to details, helps you improve the working efficiency! Item Type: 6 Channel USB Relay Module Material: PCB Relay Contact Capacity: AC250V 10A DC30V 10A Relay Specification: 10A Number of Relay Channel: 6 Application: Used for wireless control relay on or off and development of embedded systems 1 x 6 Channel USB Relay Module