DC 12V 16 Channel Relay Shield Module with Optocoupler LM2576 Microcontrollers Interface Power Relay For Arduino Smart Home
![DC 12V 16 Channel Relay Shield Module with Optocoupler LM2576 Microcontrollers Interface Power Relay For Arduino Smart Home](http://ae01.alicdn.com/kf/Hca945217015a4948a6f144b2ea1e2cf7H/DC-12V-16-Channel-Relay-Shield-Module-with-Optocoupler-LM2576-Microcontrollers-Interface-Power-Relay-For-Arduino.jpg)
sku: 4000388149728
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$4.99
Shipping from: China
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