Features: DIY 16Inch Silent Clock Movement Kit is the perfect for those who want to create a personalized clock with ease. This clock movementkit is durable and reliable, ensuring accurate timekeeping and quiet operation. This clock movementkit is suitable for DIY enthusiasts, crafters, and anyone lookingto create a unique clock for their home or office. With its modern design, this clock movementkit can be used in a variety of settings, including livingrooms, bedrooms, offices etc Please do not use too much pressure to avoid bending, please check the size before purchase, suitable for1.5V AA battery. Specifications: Movement specification: approx 56x56x16mm/2.2x2.2x0.63in Shaft length approx 20mm/0.79in Thread height approx 11mm/0.43in Suitable for 5-8mm thick clock panel Clock needle specification: approx 106mm/4.17in 140mm/5.51in 133mm/5.24in Applicable panel diameter: approx 35-40cm/13.78-15.75in Optional Types：019 Black Gold Second Tick/019 Black Second Tick/019 Gold Second Tick/0381 Black Red/0381 Second Tick/0381 Black Copper Head/ 0381 Gold Second Tick/0381Gold Red/0381 Gold Copper Head/0071Black Second Tick/0071Black Red/0071 Black Copper Head/0071 Gold Second Tick/0071 Gold Red/0071 Gold Copper Head Package Includes: 1 Set Clock Movement Accessories note: Please refer to the pointer installation diagramfor the installation methodof the pointer. The three needlesshould be installed properly, and when viewed from the side, they should beparallel withouttouching theneedles. The movement uses oneAA battery ( carbon batteries are OK, Alkalinebattery is not suitable, otherwise Excessive current, affecting traveltime, shipping without batteries