The NC 21750 is an electronic shot clock. It can be used as a stand alone or integrated with a scoreboard. It measures 44 x 36 x 18cm. The board displays the shot time. The time can be read to a distance of 120m. Furthermore it has a light and a sound attached to mark the end of the shot time. It can be installed wall mounted, back board mounted or standing on the floor. For Basetkball & Water Polo indoor version.