999-Day Adjustable Countdown Timer

This reusable countdown timer measures up to 999 days, 23 hours, 59 minutes, and 59 seconds. It features a large, clear LCD display that simultaneously shows days, hours, minutes, and seconds remaining until your event. The unit is lightweight and compact, designed for tabletop or wall mounting (mounting hardware not included). Constructed with durable plastic housing and precision electronic components, it operates on two standard button cell batteries (included), providing up to five years of typical use. Setup takes under one minute using intuitive push-button controls — no tools or app required. Ideal for marking major personal milestones including weddings, retirement, baby arrivals, holidays, cruises, and vacations.