| Model No. EUS10T-40FS-WADual function(Receiver&Tranmitter) Construction waterproofNormimal Frequency 40kHZSPL min.108dB(effective Value 10V/30cm) Sensitivity min.-80dBV/u barDirectivity 45 degrees Capacitance 2000pF+/-25% at 1kHZDetectable Range above 2m Housing material AluminumOperating Temp.range -30+85 | 
