The battery of the high touch device is installed on the base of the high touch device, and some buttons on the base are oversized buttons, which can completely cover the base as a roommate battery box, and the battery can be installed by lifting the cover at the bottom.

Height detector is a kind of physical fitness testing equipment, which is suitable for school physical education teaching, physical education testing and professional training of sports teams. It can also be used as fitness equipment in public places.