Three-dimensional dial: 4-inch simple dial with three-dimensional numbers instead of the ordinary market printed cardboard. Combined with perfectly accurate white hour and minute hands, it provides a clear and easy-to-read appearance. Loud alarm: Ideal for people with severe sleep disorders, mild hearing loss or even deafness. There is no snooze button, making it a great alarm clock for people who have trouble getting out of bed. Easy to use, only two buttons to set the time and alarm time. Silent: High-quality smooth scanning movement, silent second hand, silent, no annoying ticking, the crawling second hand creates a quiet sleeping and working environment. Classic retro design: Retro double bell alarm clock, retro style takes you back to the 80s, beautiful appearance, real high-quality workmanship, it always works accurately. Thanks to high-quality quartz drivers, the operation is always precise.