Product Name: Assembled Ultrasonic SensorModel Number: 16U01-TK030L7Place of Origin: ChinaFeatures: 1) Sound pressure level: >/=100dB (30cm / 10Vrms sine wave), 0dB=0.0002µbar 2) Sensitivity: >/=-82dB / V / µbar 3) Center frequency: 40+/-1.0kHz 4) Echo sensitivity: >/=250mV 5) Decay time: 6) Directivity (deg): a) X-axis: 120+/-15 b)Y-axis: 60+/-15 7) Capacitance (pf): 2,000+/-20% 8) Allowable max. input voltage (Vp-p): 140 (40kHz) 9) Pulse width: 0.5ms 10) Interval: 20ms 11) Mean time to failure: 50,000h 12) Operating temperature: - 40 ~ 80°C 13) Storage temperature: - 40 ~ 85°C