Multifunctional single clocks include office clocks, large dial clocks, street decoration clocks, advertising clocks, etc. They can be used as single clocks or as slave clocks of time synchronization systems. They are available in digital display and pointer types, and can also be designed according to user requirements. This series of products can receive standard time signals, use internal time timing modules, and automatically display the correct time after power failure, without manual adjustment. They have time memory function and data can be stored for more than 10 years.