4 Compartment Smart Plastic Storage Box Electronic Timer Reminder Pill Box Alarm Timer Pill Desktop Organizer Pill Container How to use. 1. Remove the insulating tab before opening the battery door 2. Be sure to adjust the clock setting to the same time as the current time first 3. Be careful when setting the alarm clock, click the ON/OFF button on the small screen representing the ringer each time you set the time that needs to appear 4. The time can be 12 hours/24 hours switch. Press the ON/OFF button, the display will be AM, which is a 12-hour clock. Press the ON/OFF button again, AM will not be there and 00 will be displayed, which is a 24-hour clock. 5. 5. Any time you click the "MEMO" button after the "drop" sound, the first group of successfully set the alarm clock, the smart chip will remember that time, 24 hours later at the same time, will sound a sharp alarm sound to remind 30 seconds. 6. There are four manual settings for tones, the first: "drip", the second: "drip" .... The fourth one: "drip drip drip" The sound size is fixed and cannot be adjusted 7. If the ringtone setting is confusing, then press MEMO all the time to cancel it and set it up again. Or just turn to the next one and then turn to the battery. Product Package. 1 multi-alarm timer pill reminder (battery for CR2025 batteries not included)