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USB serial port control relay module overcurrent protection/intelligent command control switch/smart home -64278
LCUS-1 type USB Relay Module USB Intelligent Control Switch PCB Board Electronic USB Rely Module CH340 USB Intelligent Control Switch 10 250VC 30VDC Over-Currentely LCUS-1/LCUS-2 /LCUS-4/LCUS-8 Smrt Home
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