Good quartz pendulum movement with reliable performance, simple design, easy to use, energy efficient, and accurate timing. Ideal for repairing, replacing, or creating a clock. Designed to blend seamlessly with various clock dials in different colors, patterns, and shapes. Wide application: suitable for use in repairing, replacing, or building home clocks; compatible with cross-stitch, 3D embroidery, craft clocks, frameless wall clocks, and clock mechanisms. A perfect DIY clock kit, especially suited for DIY quartz wall clock movement replacements. Made from quality materials: the movement housing is constructed from durable plastic, lightweight and corrosion-resistant, providing long-lasting performance and decorative appeal. Type: DIY Pendulum Clock Movement Function: Swing Rated voltage: 1.5V Battery life: approximately 12 months (UM-3 battery) Requires one 1.5V AA carbon battery (not included) Instructions: 1. Attach the clock mechanism to the surface to be installed. 2. Install with the 12 o'clock position as standard; ensure the hour and minute hands are parallel during installation. 3. Pull out the positioning pin from the back of the mechanism before inserting the battery. (Do not insert the battery first and then remove the locking pin.) Color: Black Material: Plastic + Metal Size: 56 x 110mm Overall shaft length: 12mm / 16.5mm / 18.5mm / 22mm Thread length: 5mm / 8mm / 11mm / 15mm Package Contents: 1 x Quartz Pendulum Mechanism Note: Other items not included. Note: Lighting and display differences may cause slight color variations between the image and actual item. Measurement error allowed is +/- 1-3cm.