Ultrasonic sensor 12.6mm 40KHz, 25KHz, High sensitivity and SPL Good reliability Light weight, wide detective range RoHS Ultrasonic sensor/transducerDual use or separate useDiameter: 12.6mm*9.5mmPin length: 7mmFrequency: 40KHz, 33KHz,25KHzSensitivity:min. -65dBv/ubar/30cm/10VSPL: min.115dB/30cm/10V Ultrasonic sensor DPU1240AOH9.5T/R