Good quartz movement ensures accurate timing, simple design, easy to use, and energy efficient. Ideal for repairing, replacing, or building a clock. This kit is a well-sized replacement in terms of shaft length and hand size, suitable for replacing broken clock mechanisms. Wide application: Can be used to repair, replace, or create home clocks; suitable for three-dimensional embroidery, craft clocks, frameless wall clocks, clockwork projects, and more. Perfect for DIY quartz wall clock movement replacements. Quality materials: Movement shell made of durable plastic, built to last. Clock hands are made of high-quality aluminum, lightweight and corrosion-resistant, providing reliable performance and decorative appeal. Type: DIY Pendulum Clock Movements Size: Shaft length 23 mm Rated voltage: 1.5V Battery life: Up to 12 months with UM-3 battery Requires 1.5V AA carbon battery (not included) Instructions: 1. Attach the clock mechanism to the surface. 2. Install with the 12 o'clock position as reference. When installing, ensure the hour and minute hands are parallel. 3. Insert the battery only after pulling out the positioning pin from the back of the movement. (Do not insert the battery first and then remove the locking pin.) Color: Black Material: Plastic + Aluminum Package Contents: 1 x Pendulum clock movement 6 x Clock hands 1 set x Accessories Note: Light and display differences may cause slight color variations between the image and the actual item. Measurement error allowed is +/- 1-3 cm.