Ultrasonic Module HC-SR04 Distance Measuring Sensor

1: Voltage: DC5V 
2: Quiescent Current: <2mA
3: level output: the output of the high-5V 
4: level: the end of 0V
5: Induction Angle: not more than 15 degrees
6: detection range: 2cm-450cm
7: High precision: up to 0.3cm