Color: BlackMaterial: ABS(Acrylonitrile Butadiene Styrene)Size: Approx. 5.5 x 11cm/2.17 x 4.33 inchPower Supply: 1 x AA Battery (Not Included)For the swing clock with movement shaft 12mm (thread 5mm)The pendulum is for decoration only and does not affect the clock movement's timekeepingThis pendulum clock movements will drive any light shape making them Perfect for novelty clocksComplete with removable hangerPackage Included:2 x Replacement Quartz Clock Movement MechanismOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.