Modern clock with glass mirror front, aluminum alloy frame, and MDF body for long life. - Luminous function provides visibility in low light and supports 24-hour time display for easy reference day or night. - In plug-in mode, it can display a perpetual calendar and other functions. - LED red display offers high contrast and clear readability of the time. - High timekeeping accuracy: clock time error within +/- 3 seconds per month; precise display time. - Dimensions: 7.9 x 3.9 x 1.2 inches; medium size. Materials include glass mirror, aluminum alloy, and MDF. - Suitable for living rooms, offices, classrooms, warehouses, recreation rooms and garages. Use scenarios - Living room: easy time checking at a glance with a clean, modern look. - Office: reliable timekeeping and calendar display for meetings and schedules. - Classroom: clear red LED display that is easy to read from across the room while staying unobtrusive.