2-6-8-channel photoelectric isolation relay module module control board driver board single-chip microcomputer PLC 5V 12V 24V
![2-6-8-channel photoelectric isolation relay module module control board driver board single-chip microcomputer PLC 5V 12V 24V](http://ae01.alicdn.com/kf/HTB1OVTqaL1G3KVjSZFkq6yK4XXaC/2-6-8-channel-photoelectric-isolation-relay-module-module-control-board-driver-board-single-chip-microcomputer.jpg_350x350.jpg)
sku: 33026748090
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$4.98
Shipping from: China
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