StopWatch ¹ÒÌԡҨѺàÇÅÒ ¹ÒÌÔ¡ÒµÑé§àÇÅÒàµ×͹ 365528 Stopwatch/Timer Large function keys for digital clock readings plus UP/DOWN timer and alarm Stopwatch/Timer Product Spec. Min-Sec Timer Count Down Function 1 sec to 99 min 59 sec Count down-with huzzer alarms for 32 sec LCD Viewing Size:39X22mm Use 1X1.5 Volt AAA Battery