Gikfun 5v 4 Channel Relay Module with Optocoupler for Arduino Raspberry Pi DSP AVR PIC ARM Ek1154

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Now: $27.77
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SKU:
HZ28234
UPC:
707948005745
Condition:
New
Availability:
Free Shipping from the USA. Estimated 2-4 days delivery.
This is a 5V 4-Channel Relay interface board