Feature:1. [DIY Digital Clock Fun] This smart DIY digital clock kit allows you to make your own electronic clock with ease, perfect for DIY enthusiasts.2. [Clear Accurate Display] The digital clock kit features a clear LED display with adjustable and accurate timekeeping, ensuring accuracy in time tracking.3. [Ideal for DIY Projects] Perfect for DIY projects, this digital clock kit allows for personalized customization to meet individual project requirements.4. [Complete DIY Components] With a complete set of components, this kit is easy to assemble and debug, offering an enjoyable DIY experience for beginners and experts alike.5. [Versatile Usage] Suitable for tech enthusiasts and electronic DIY hobbyists, this DIY digital clock kit showcases innovative design features for a unique and engaging project experience.Specification:Item Type: DIY Digital Clock KitMaterial: ABS Plastic Battery Type: 1 x 3V CR1220 Button BatteryBattery Model: CR1220Battery Capacity: 40mAhNote: The product itself comes with a built in battery (already installed on the host), and the kit is equipped an additional battery.Package List:7 x Transparent Acrylic Board1 x Program Downloader1 x Clock Control Board16 x Stainless Steel Hex Screw5 x Male to Female Line1 x USB Cable4 x Double Pass M3x12mm Copper Pillar4 x Double Pass M3x25mm Copper Pillar1 x CR1220 3V Battery