20PCS 40KHZ 16mm 12mm 10mm Ultrasonic Sensor 40KHZ Receiver Transmitter R and T TCT40-16T/R

20PCS 40KHZ 16mm 12mm 10mm Ultrasonic Sensor 40KHZ Receiver Transmitter R and T TCT40-16T/R
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sku: 1005005798346530
$4.89
Shipping from: China
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