The perfect solution for busy families! Portable timers make it easy to keep track of up to 3 people wherever they are - and get them home in time for dinner. Lets you easily program and monitor each timer via the base station, which can also display digital time. Helps kids develop a natural sense of elapsed time as timers count up or down. Includes 3 timers with light and optional audio alarms, 30-second warning, and belt clips and wristbands