FINIS Underwater Pace Clock
noun - The FINIS Underwater Pace Clock is a waterproof digital clock for use during practice and competitions. Waterproof up to 16 feet, the Underwater Pace Clock has 2 large LCD digits on its 10" x 10" display that allow for easy reading from multiple angles and varying distances. Easy-to-access buttons on the front of the clock let users reset and switch between various modes. Additional buttons on the top of the detachable extension pole utilize infrared technology to transmit signals to the base unit. The Underwater Pace Clock uses one 9-volt battery that gives it 240 hours of continuous running time.