Specifications:
1:Rate voltage: 12V DC
2:Rate current: 100mA – 300mA
3:Ultrasonic frequency: 40KHz
4:Control moudle working temperature: -30 – 80 celcius degree
5:Display working temperature: -20 – 70 celcius degree
6:Sensor diameter: 18mm
7:Installation mode: Drilling
Sound: Heart beat type, more recent alarm more rapidl
