American 12mm 40khz cheap Ultrasonic Sensor

American 12mm 40khz cheap Ultrasonic Sensor
1. Waterproof Ultrasonic Sensor
2. Diameter:12mm;
3. Frequency:40KHz;
4. SPL:min.110dB;

5. Receiving sensitive:min.-76dB;

6. Capacitance:2000pF±20%;

7. Directivity:45°;

8. Operating Temperature:-40°c~+80°c;

9. Storage Temperature:-40°c~+85°c;





American 12mm 40khz cheap Ultrasonic Sensor