Condition - Very Good The item shows wear from consistent use, but it remains in good condition and functions properly. Item may arrive with damaged packaging or be repackaged. It may be marked, have identifying markings on it, or have minor cosmetic damage. It may also be missing some parts/accessories or bundled items.
SainSmart 16-Channel 9-36V USB Relay Module
This is USB controlled relay opto-isolated board with 16 SPDT relays.
You can use it for simple ON/OFF switching electrical devices - home lights, DC motors, solenoids and others.
It can help you building projects like robotics and home automation.