The Clock can automatically synchronize F Signal.The standard movement contains a miniaturized radio receiver that searches for the low frequency time signal that broadcasts from the radio station F. Radio movement will work well, Simple design, easy to use, efficient, time keeping.High : the movement shell is made of material which is sturdy and durable for a long time, and the clock hands are made of quality aluminum, which is light in weight and corrosion-resistant to provide you with nice use and decorative effect. quartz clock movement,long lifetime. kit is good size replacement both in terms of the shaft and the size of the hands. It can be a replacement for your broken clock. for repairing, replacing or making a clock.You are enable to use it to repair, replace or make a home clock; Applicable to cross-stitch, three-dimensional embroidery, craft home clock, frame-less draw clock, clockwork, etc. DIY clock kit, and specially suitable for DIY quartz wall clock replacement movement parts, etc.Type: Non-Ticking Radio Clock Movement New and Rated voltage: 1.5VUse : 1 x 1.5V AA (not included)Size: Movement size: 56x56x16mm, shaft length 14mm, thread 6mmcolour: blackMaterial: plastic + aluminumPackage Contents:1 x Radio Movement5 x clock hands1 set x Accessories the above package content, products are not included.Note: shooting 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.