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Speed Gun is a tool in extended set of the Smart Tools collection .
This speedometer(velocimeter) measures the speed of a moving object by touching.
Usage is simple: Input the shortest distance to a target. Measure the shortest distance in advance with a rangefinder (e.g. Smart Distance, Smart Measure, Google Maps).
Then, touch your screen following the target.
If the result is not accurate, you can calibrate your device with [Speed Calibration] option.
* Do you want ad-free version? download [Smart Distance Pro].
For more information, watch YouTube and visit the blog. Thank you.
