Features:

  • 50ms test cycle shorter than HC-SR04 sensor
  • Smaller PCB size. Full compatible with HC-SR04 sensor
  • Wide Working Voltage: DC 3V-5.5V; Working Current: 2.2mA
  • Test distance=((Duration of high level)*(Sonic: 340m/s))/2
  • Suitable for testing irregular objects and cotton objects