Features: Accurate timing, small daily error, long service life, low power consumption, and can last for 6 months with regular batteries. The movement uses 1pc 1.5V-AAbattery (carbon batteries are sufficient, AlkalineBatteries should not be used, otherwise the current is too high and it will affect the hour, the battery is not included in the shipment). Suitable for DIY craft clocks, wood wall clocks, metal wall clocks, electric box wall clocks, porcelains crystal paintings, maintenance and replacement, home decorations clocks, and more. Movement specification: 56x56x16mm, shafts length 20mm, thread height 11mm, suitable for clock panel within 5-8mm thickness. Attention: Please refer to the pointers installation diagram for the pointers installation way, the three clock hands should be installed properly, and when viewed from the side, they should be parallel and not touching the clocks hands. Specifications: Housing Material: Plastic Movement Specification: 56x56x16mm/2.2x2.2x0.6", shafts length 20mm/0.78", thread height 11mm/0.43", suitable for clock panel within 5-8mm/0.19-0.31" thickness Movement Installation Hole: 8-8.5mm/0.31-0.33" Applicable Panel Diameter: 10-15cm/3.9-5.9" Shipping List: 5pcs clock movements, 7 sets of pointers and accessories Package Includes: 1 Set DIY Ceramic Wall Clock Movement note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.