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Relay Module 5V 12V 24V Operating Voltage High Low Triggering Photocoupler Isolation Relays Board Part With Indicator For DIY
4 Channel Optocoupler Relay Module Board High & Low Trigger 5V/12V/24V Specification: Features: Adopt patch photocoupler isolation strong driving ability stable performance. Trigger current is 5mA. Module operating voltage is 5V 12V 24V for choice....
$12.77 Free Delivery
