Using IO trigger for at least 10us high level signal
The module automatically sends eight 40 kHz and detect whether there is a pulse signal back
If the signal back, through high level ,time of high output IO duration is the time from sending ultrasonic to returning. Test distance = (high level time velocity of sound (340M/S) /2
Power supply :5V DC, quiescent current : Technical Details

Product Details

Product Dimensions

Package Dimensions
Width : 4 inch
Height : 0.9 inch
Length : 6.6 inch

Item Weight: 0 ounce (View shipping rates and policies)
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ASIN : B00P5W1JLM