F249 free shipping ShengYang High Quality 4 PIN Infrared Speed Sensor Module For Arduino/51/AVR/PIC 3.3V-5V
![F249 free shipping ShengYang High Quality 4 PIN Infrared Speed Sensor Module For Arduino/51/AVR/PIC 3.3V-5V](http://ae01.alicdn.com/kf/HTB1.I7hiBsmBKNjSZFFq6AT9VXaM.jpg)
sku: 32786761377
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$0.43
Shipping from: China
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