1.good quartz movement will work , Simple design, easy to use,Energy efficient, timing. 2.Great for repairing, replacing or making a clock. 3.This 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. 4.Wide application: You are enable to use it to repair, replace or make a home clock; Applicable to -, -dimensional embroidery, craft home clock, frame-less draw clock, clockwork, etc. Perfect DIY clock kit, , and specially suitable for DIY quartz wall clock replacement movement parts, etc. 5.: the movement shell is made of ABS plastic material which is sturdy and durable for a long time, and the clock hands are made of aluminum, which is light in weight and corrosion-resistant to you with use and decorative effect Type:High Clock Movements Size: shaft length 23mm, Thread length 11.7mm and High . Rated voltage: 1.5V Battery life (specification): . 12 Months (UM-3) Use Battery: 1 movement .5V AA Carbon battery (not included) Instruction: 1. Attach the clockwork to the product to be installed. 2, is installed in accordance with the standard 12 points,when you install it, please keep the hour hand and hand parallel 3. Pull out the positioning pin from behind the clockwork and insert the battery. (Do not insert the battery and then pull out the pin.) colour: black Material: plastic + aluminum Contents: 1 x Quartz clock movement 1 x Second caps 1 x hand 1 x Hour hand 1 x Plastic washer 1 x Brass washer 1 x Brass nut 1 x Metal Only the above content, other are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.