FainWan 12V 8 Channel Relay Module with OPTO-Isolated High and Low Level Trigger 8 Ways Relay Switch Module Compatible with Ar-duino
$13.99
Description
12V 8 Channel Relay Module With OPTO-Isolated High And Low Level Trigger.The module Operating voltage 12V;.The module can be high or low by a jumper setting trigger;.Fault-tolerant design, even if the control line is broken, the relay will not operate;.The power indicator (green), the relay status indicator (red).
