Jayron Digital 1999 Days Countdown TimerCountup Loud AlarmsBattery ReplaceableShutdownEvent ReminderUse for Wedding Christmas Vacation Lab Sports Cooking

Jayron JR-HM200A digital day countdown timer lasts up to 1999 days of retirement, weddings, projects, and holiday activities in the classroom kitchen cooking. 1 Product Description ? Backlight display function: Press any button to start the backlight. (If there is no operation for 10 seconds, the backlight will automatically turn off; ? After setting the start and end time, press Enter and the timer will work automatically; ? After the countdown starts, press and hold the Clear button for 5 seconds to delete the current cluntdown data, then reset the target date and current date; ? Press and hold the Alarm button for 2 seconds to start setting the alarm; ? Press the 12/24 button to switch between 12-hour format and 24-hour format; ? Press the S / S button at any time to stop/start the countdown/up; ? After the countdown is over, the Buzzzer will be turned on for one minute, and any button will be pressed to stop the buzzer; ? After removing the battery, the factory settings will be restored. 2 Product specifications ?Screen size: 65 * 35mm / 2.5 * 1.4 inches; ? Product size: 129 (long) * 64 (height) mm / 5 (long) * 2.5 (height) inches; ? Net weight: 144 g / 5.08 ounces; ?Requires battery: 2 AAA batteries (not included); ?Product Accessories List Product* 1; User Manual* 1; Color Theme Card* 4. 3 Attention ?To reduce errors, first set the end (target) date and time, then set the start date and time; ?When the countdown time exceeds 1999 hours, 23 hours, 59 minutes and 59 seconds, the display will show an error; ?When the end (target) date and time are before the start date and time, the clock will count up, showing the interval between the end time and the start time.