Features: 1Clock supports accurate timing, which can be applicable to study office, kitchen and gym. 2The countdown supports up to 99:59 minutes and 59 seconds.After the countdown is completed, press starting button can restart the timer according to the previous setting. 3Up to 99 minutes and 59 seconds can be supported for positive timing.After reaching the maximum value, it will automatically restart timing. 4Multi-function clock is with electronic movement after many inspections before leaving the factory. 5Made of materials in high quality, such timer is easy to use in the practical life, which makes itself getting great popularity. Item Type: Timer Material: ABS Movement: Electronic Power Type: 2 x AAA (not included) Shape: Square Display Type: Digital Features: Timing, Countdown, Year, Month, Day, Clock, Alarm (24-hour clock), Week Applicable Places: Study office, kitchen, gym 1. Function Settings: Sequence: Time year month day alarm, the day of the week is automatically converted. In time mode long press the mode button for 2 seconds, the hour, minute and second flash. Press the hour button is for one more hour, press the minute button for one more minute and press the second button for one more second. When press the second button for less than 30 seconds, it will return to 0, more than 30 seconds, return to 1 minute. Press the mode button can flash the year. Press the time button is for one more hour, and press the minute is for one more minute. Press the mode button, month and day flash, while press the time button for one more month. Press the minute key is for one more day, while press the mode key to display the alarm time, hour, minute, and second flash. when the "R" icon appears, press the time key for one more hour and press the minute key for one more minute. And press the mode can save the alarm setting return time display. 2. Alarm Switch Setting In the alarm time display mode, long press the mode button for 2 seconds can turn on the sound alarm icon, while long press the mode for 2 seconds can turn off the sound alarm and the icon disappears. 3. Sound off When the alarm sounds, press the mode key can stop the alarm and start the snooze timer at the same time. The snooze symbol "Z" flashes at a frequency of 1HZ. After 8 minutes, the alarm will automatically sound again for 60 seconds. The snooze timer will turn off without pressing the mode key until the future alarm. 4. Turn off Snooze When the clock sounds, press the start / stop button, the sound will stop, and the snooze timer and "Z" icon will not be activated. 5. Countdown Function The maximum setting range is 99 hours, 59 minutes and 59 seconds. Press the minute and second keys can reset at the same time when the data is reset to 0. Press the hour key is for one more hour, press the minute key for one more minute, press the second key for one more second, and press the start / stop key can start or stop. 6. Positive Timing Function Maximum setting range is 99 minutes, 59 seconds, 99 milliseconds. Simultaneously press the minute and second button to reset, while the data returns to 0, and the start / stop button starts or stops timing. 7. Turned off Sound There is a switch on the right, push it to OFF to turn off the sound and replace the sound with LED light, push to ON to turn on the sound. 1 x Alarm Clock