Technasonic Check Go Sweet Spot Finder uses science of Physics to provide leading performance to find the perfect sweet spot in each golf ball. Comes with balanced timer, led power indicator and check go marker included. led power indicator ball spins inside carriage to find perfect sweet spot on each golf ball uses the Bernoulli's principal which generates more lift and greater distance locates the perfect axis on each golf ball which equals more distance and greater accuracy check go marker included batteries included
