Features: Experience unparallel precise with our Radio Controlled Clock Movement Mechanism, feature automatic synchronization to ensure your clock is alway accurate. This quality clock mechanism boasts a quiet designs and energy efficiency, making it great for clock enthusiasts who value reliability and tranquilities. Great for DIY hobbyists, professional clockmakers, and interior decorators look to create or repair clocks with a touch of personally craftsmanships. Whether you're updating a classical wall clock in your living room or crafting a unique clock for a commercial space, this mechanism provide the functionality and elegant you need. Completing with a comprehensive set of hands and easy installation instructions, this clock movement kits is great for anyone passionates about keep time in styles. Specifications: Component: Metal Color: As pictures shown. Shafts Overall Length: 14mm/0.55in Thread: 6.7mm/0.26in Suitable for Panel Thickness:approx. 3mm Receiving Frequency: 77.5KHz Power By: 1pcAA Battery (not include) Quantity: 1 set Package Includes: 1 Set Clock Movement Kits note: Please allow 0-1cm error due to manual measurement. make sure you not mind before you bid. Due to the differences between different monitors, the picture may not reflect the actual color the item.