2pcs Ultrasonic Wave Sensor Transmitter Receiver Kit 40KHz Transmitter Receiver
4,94 €
Work Frequency: 40KHz. Receiving Sensitivity at 40KHz (0dB=V/ubar): ≥-65dB. Transmitter is marked with T. Included:1 X Transmitter. Receiver is marked with R. 1 X Receiver. If item is defective after 3 months, you can still send it back to us.
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