It is very easy to use, a control port with a 10US above high level, can wait for high level output at the receiving port. An output can drive the timer, when this port is low can read the timer value, this time for the location of the time, can be calculated distance. Constantly cycle test that can achieve the measurement of the value of your mobile.

Features:

• Small size, Easy to use
• Low voltage, Low power consumption
• High accuracy
• Strong anti-jamming
• Integrated with wire enclosed waterproof probe, suitable for wet, harsh measurement occasions

Specification:

• Operating voltage : DC 5V
• Total current work : 40mA
• Acoustic emission frequency : 40khz
• Farthest range : 4m
• Blind : 25cm
• Wiring: + 5V (positive power supply)
• Trig (control side) RX
• Echo (the receiver) TX
• GND(negative)
• Resolution : about 0.5cm
• Angle : 70 degrees
• Working temperature : -10 ~ 70 ℃
• Storage temperature : -20 ~ 80 ℃
• Package Included : 1 x DC 5V Waterproof Ultrasonic Module Distance Measuring Transducer Sensor