Laser Sighted Ultrasonic Range Finder
Ultrasonic range finders bounce sound waves off distant objects and record the time it takes for the wave to return in order to measure the distance. It’s the same technology, SONAR, that bats use to navigate in the dark.
Subscribe now to our FREE newsletter!
Subscribe NOW to 7Gadgets weekly newsletter! You will receive the weekly selection of the best gadgets!
It is FUN, it is COOL, it is 7Gadgets newsletter!