Small Long Distance Proximity Sensor

Wireless Small Handheld Open-type Ultrasonic Sensor 110dB Long Range Object Detection Quick details: 1. Dimension: 9.8mm(D)*7.0mm(H) 2. Center frequency :40.0±1.0KHz 3. Using Method: Separate transmitter or receiver. 4. Construction:open structure type 5. Directivity Deg :80°±15° (-6dB) 6. Sensitivity:-68dB min 7. Capacitance :2200±20%pF 8. Sound Pressure Level :110dB min 9. Max.Input Voltage:40Vp-p 10. Typical Sensing Range : 0.2~15m 11. Operating Temperature :-20℃ ~+70℃ 12.