#channel type
UPC 695259097064
DAOKI 5 PCS 5v Relay Module for Arduino ARM PIC AVR MCU 5V Indicator Light LED 1 Channel Relay Module Works with Official Arduino Boards
Best Price: $6.99
View Product
UPC 695259095893
DAOKI 5PCS 5V One 1 Channel Relay Module Board Shield with optocoupler Support High and Low Level Trigger
Best Price: $9.99
View Product