Simple and stylish , great for repairing, replacing or making a clock. Exquisite workmanship with fine movement of the clock provide precise for time, daily error is 1 second. Power by 1 x AA battery (not included), can be used for 6 months. Mute movement provides a environment for your bedroom, study room, . Applicable to cross-stitch, embroidery, craft clock, frameless draw clock, .