C 5V 1 Channel Relay Module for Arduino Relay Shield PIC AVR DSP ARM MCU Power Supply Relay Board with Optocoupler 5PCS/Lot
![C 5V 1 Channel Relay Module for Arduino Relay Shield PIC AVR DSP ARM MCU Power Supply Relay Board with Optocoupler 5PCS/Lot](http://ae01.alicdn.com/kf/HTB1b3pwapzsK1Rjy1Xbq6xOaFXaO/C-5V-1-Channel-Relay-Module-for-Arduino-Relay-Shield-PIC-AVR-DSP-ARM-MCU-Power.jpg_350x350.jpg)
sku: 32964439570
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$2.21
Shipping from: China
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