Features: 1. High-quality quartz movement for accurate timekeeping, simple design, easy to use, energy efficient. 2. Ideal for repairing, replacing, or crafting clocks. 3. Suitable size for replacement, compatible with standard shaft and hand sizes; can replace broken clock mechanisms. 4. Wide application: Can be used to repair, replace, or build home clocks; suitable for DIY clock projects, including wall clocks, frameless clocks, craft clocks, and more. Perfect for DIY quartz wall clock movement replacements. 5. Durable materials: Movement housing made of sturdy ABS plastic; clock hands made of lightweight, corrosion-resistant aluminum for reliable performance and decorative appeal. Type: DIY Pendulum Clock Movement Size: Shaft length 23mm Material: Plastic + Aluminum Color: Black Rated Voltage: 1.5V Battery Life: Approximately 12 months (with UM-3 battery) Battery Required: One 1.5V AA carbon battery (not included) Instructions: 1. Attach the clock mechanism to the surface you are installing it on. 2. Install with the 12 o'clock position as reference; ensure hour and minute hands are parallel when attaching. 3. Insert the battery only after pulling out the locking pin from the back of the mechanism. (Do not insert the battery before removing the locking pin.) Package Contents: 1 x Pendulum Clock Movement 1 x Gold Pendulum 8 x Clock Hands 1 Set x Accessories (as shown in picture) Note: The package includes only the items listed above. Other items are not included. Lighting and display settings may cause slight color variations between the image and the actual product. Measurement error allowed is +/- 1-3 cm.