1. Counts from 999 to 0 days. 2. Displaying the remaining time ... time 3. Great for cleaning machine, exercising, etc 1. 999 days countdown timer, LCD display the count down time(Display ... , Seconds);2. can set any time to countdown within 999 days3. Real clock function4. alarm beep and flash LED ... )Model: TP814 (24 hours timer) 180 Days Timer 999 Days count down timer, 999 days timer, countdown timer