Feature 1MAIN USE: 6 channel USB relay module is used for wireless control relay on/off and development of embedded systems. 2WIDE APPLICATION: This relay module is suitable for households, farms, factories, offices, laboratories, supermarkets, etc. 3EASY TO USE: USB relay module is very easy to set and reset. There are three operating modes to choose from (instantaneous, switching, locking mode). 4EASY 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. 5IDEAL 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: PCBRelay Contact Capacity: AC250V 10A DC30V 10ARelay Specification: 10ANumber of Relay Channel: 6Application: Used for wireless control relay on or off and development of embedded systems .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x 6 Channel USB Relay Module Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Dadangjia