The large dital wall clock hard to beat as an office clock , classroom clock. It works great in living room,restaurant or warehouses. Can be wall mounted, or desk top on surface area.This digital wall clock is powered by 4 AAA batteries and 2 AAA batteries (Included), The wall mounted digital clockcan be used for about one year without replacing the battery. The TXL Clock with Backlight is a must-have for anyone seeking a reliable and accurate timekeeping solution. This atomic wall clock is designed to automatically synchronize with the official atomic clock, ensuring that you always have the precise time displayed in your home or office. With its large 14.2" digital display, this large digital clock offers exceptional visibility from any corner of the room. The numbers are clear, bold, and easy to read, making it perfect for those with visual impairments or from a distance. Additionally, the vibrant backlight provides optimal visibility during low light conditions, allowing you to effortlessly check the time at any hour of the day or night. Not only does this large number digital clock provide accurate timekeeping, but it also boasts additional features such as displaying the day, date, and temperature.