Specification Brand : YedaHcy BulletPoint1 : Timekeeping: The Nixie tube clock control board features an imported high- clock chip, ensuring an annual error of less than 1 minute. BulletPoint2 : 7 Colors Display: Enjoy a vibrant and customizable clock display with seven color options that can be changed or fixed as desired. BulletPoint3 : Stability and Reliability: Integrated IC driver ensures a stable and time display, refreshing every 10 minutes for safer use. BulletPoint4 : Easy to Use: With STM8S005 as the main controller and a built-in program, this drive board is plan to use after welding the light tube. BulletPoint5 : DIY Enthusiast's Dream: outstanding for DIY projects, this Nixie tube clock board offers multi-functions like 24-hour mode, time display, and more. ItemName : Nixie Tube Clock Control Board, Drive Module, 7 Colors Glowing Display for DIY Projects, Integrated IC Driver for Stable Time Showing ItemPackageDimensions_Height : 1 centimeters ItemPackageDimensions_Length : 19 centimeters ItemPackageDimensions_Width : 5 centimeters ItemTypeKeyword : clock-integrated-circuits Manufacturer : YedaHcy ModelName : YedaHcyu6r42pg7iv ModelNumber : YedaHcyu6r42pg7iv NumberOfItems : 1 PartNumber : YedaHcyu6r42pg7iv ProductDescription : Item Type: Nixie Tube Clock Board Material: PCB Battery: CR32 battery x 1 (without battery)