Usage Tips: The clock can automatically synchronize with the Germany DCF signal. The standard movement contains a miniaturized radio receiver that searches for the low-frequency time signal broadcast from the German radio station DCF. Reliable radio movement performance, simple design, easy to use, energy efficient, and accurate timekeeping. High Quality: The movement shell is made of durable material for long-term use, and the clock hands are made of quality aluminum, lightweight and designed to provide a smooth operation and decorative effect. Premium quartz clock movement, long-lasting. This kit is a good size replacement in terms of shaft length and hand compatibility. It can replace broken clock mechanisms. Ideal for repairing, replacing, or building a clock. Suitable for home clock repair, three-dimensional embroidery clocks, craft clocks, frameless wall clocks, clockwork projects, and more. Perfect DIY clock kit, especially suitable for quartz wall clock movement replacements. Type: Non-Ticking Radio Clock Movement Rated Voltage: 1.5V Battery: 1 x 1.5V AA carbon battery (not included) Dimensions: Movement size: 56x56x16mm, shaft length: 14mm, thread length: 6mm Color: Black Material: Plastic + Aluminum Package Contents: 1 x Radio Movement 5 x Clock Hands 1 x Set of Accessories Note: Light and display differences may cause slight color variations between the image and the actual item. Measurement allows an error of +/- 1-3cm.