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2-Channel Speed Detect Velocity Optical Detection Sensor Module DC 5V
Product Name Speed Sensor Module Chip LM393 Module Model SRD-05VDC-SL-C Channel Number 2 Power Supply DC 5V PCB Board Size 5 x 4.2 x 1.8cm/2" x 1.65" x 0.71"(L*W*T) Cable Length 20cm/7.1" Materials PCB, Plastic Main Color Blue,Black Net Weight 42g Package Content 1 x Speed Sensor Module - Reviews
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