Catalog > Consumer Electronics > Kits > Various Kits 5V 1 Channel Relay Module 5V 1 Channel Relay Module BDD RELAY BOARD 1CH 5V 5V 1 Channel High/Low Level Triger Relay Module with Optocoupler 25.78 ZAR inc for 1 Each 2 in Stock Add Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Features The module uses genuine quality relay, normally open interfaces Using SMD optocoupler isolation, driving ability, stable performance 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) The interface design of human nature, all interfaces are available through a direct connection terminal leads, very convenient.