International Sports Timing Swim Count RechargeableSwimcount is a simplified version of the Swimclock Pace Clock and Game Clock. This continuous-count clock has the same easy to read LED display and rugged design as the Swimclock, but is even easier to use. Swimcount can be upgraded to Swimcount by adding a pendant which allows you to program workouts, run in Stop Watch Mode and in Game Mode.
Includes rechargeable batteries A Continuous Count Digital Clock Super-bright LED Indoor/Outdoor Numerals Characters are 6 1/2'' high by 4 1/2'' wide Each digital character is a matrix of dots, 7 high by 5 wide Each dot is 4 Super-bright red Light Emitting Diodes (LED's) Counts Continuously up to 59:59, then starts over Rugged and Portable Aluminum/Plexiglas construction Powered by a 110 volt wall transformer or batteries 5-Year Warranty (2-years on the batteries) 35 pounds with batteries Overall size is 12.5''H x 24''W x 4''D
BATTERIES: Two internal, rechargeable 12V batteries Over/undercharge protection circuit. 20+ hours of operation per charge