There are three major categories of wall clocks: 1. Analog quartz wall clock. 2. Mechanical wall clock 3. Digital wall clock. Wall clocks in some halls and rooms are necessary, especially in integrated offices. Category: BlogsBy wyf6959163082022-02-11 Author: wyf695916308 Post navigationPreviousPrevious post:Mechanical Principles of Wall ClocksNextNext post:How many years can the wall clock be used?Related PostsHow to remove the induction backlight2022-10-21Advantages of the electronic alarm clock2022-10-11How to cancel the electronic clock alarm2022-09-30The sound principle of electronic alarm clock2022-09-21Wall clock time adjustment function2022-09-11The internal components and working principle of the wall clock quartz movement2022-08-31