5V 4 Channel Relay Module High and Low level Trigger With Optocoupler Isolation 12V 24V Relay Red PCB Board

5V 4 Channel Relay Module High and Low level Trigger With Optocoupler Isolation 12V 24V Relay Red PCB Board
sku: 1600944446515
$0.90
Shipping from: China
   Description
Member prices: Up to 50% off
   Technical Details
category_name: Electrical Equipment & Supplies
deep_link: https://offer.alibaba.com/cps/vcsl5k44?productId=Electrical Equipment & Supplies&from=feeds
_GoogleCategory: Electrical Equipment & Supplies > Industrial Controls > Relays
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