Accurate Timing: Equipped with high performance clock chip, this module ensures a high accuracy, with an annual error rate of less than one minute, you can rely on it to keep you punctual and on schedule Multiple Functions: This clock module offers flexibility and convenience with its support for 12 and 24 hour display switching. And with a sleep mode function, you can easily set it to dim the lights or turn off Easy Setting: Setting time is a breeze, thanks to its intuitive and user friendly design. With just a single click of the Set key and adjustments using the Up and Down keys, easily set the time to your preference Nixie Tube Clock Module: This module is designed to bring of vintage decor to any space, adding a charm that is both nostalgic and modern, making it a beautiful addition to your home decor Versatile Use: The Nixie clock circuit board supports multiple color switching, sleep mode, refresh time setting, back color setting and other functions, adding diversity to your creativity and suitable for all ages