Item Name: 2pcs/1set TCT40-16R/T 16mm Ultrasonic Wave Sensor Transmitter Receiver Kit Newly. Smart TV Box Android Quad Core HDMI 1080P Wifi Streaming Media Player UK
Specification:
Model: TCT40-16R/T (16mm diameter)
Work Frequency: 40KHz
Emission Sound Pressure at 10V (0dB=0.02mPa): 117dB
Receiving Sensitivity at 40KHz (0dB=V/ubar): -65dB
Static Capacity at 1KHz,
