✔️ 【Easy to use】 - The countdown time is calculated automatically. You just need to set the target time and the current time, and it will automatically calculate the countdown time. Set a countdown timer for a long time: up to 9999 days (i.e. more than 27 years). When the countdown reaches the target time, the ringtone will ring for 1 minute, press any key to stop the ringtone. ✔️ 【Featured Theme Paper Cards】-Comes with 10 paper cards, there are a variety of paper card options. A meaningful lifelong gift for all ages. You can use these cards yourself on your special day! For example: retirement, weddings, holidays, Christmas, newborns, labs, classrooms, kitchens, cooking, etc ✔️ 【Backlight Function】 – Press any button and the bright LCD (Liquid Crystal Display) will light up. Turns off after 10 seconds of idle (significantly longer battery life when LCD is off) ✔️ 【Easy to read】-Large screen display, easy to read. With just one glance, you can easily read the timer display. A fun and serious gift idea with a wide selection of paper cards to suit any occasion and any age. ✔️【After-sales service】-2 AAA batteries are required, not included.2 years of after-sales and technical service, and you can replace the product at any time if there is any problem with the product within 2 years. YOOREAL 9999 Days Digital Countdown Days Timer Count Down with 10 paper cards Backlight Buzzer alarm for Retirement Vacation Wedding Christmas New Baby Classroom Lab Kitchen Cooking