1. Movement size: 79.5 x 56 x 18.5mm. Movement shaft length: total shaft length 14.5mm, thread height 7mm, suitable for 1-3mm thick clock panels. 2. Hand size: from round hole to the end of the hand: hour hand: 64mm/68mm/90mm, minute hand: 88mm/98mm/120mm, second hand: 81mm/100mm/100mm. 3. Applicable to DIY Quartz Wall Clock, Wooden Wall Clock, Metal Wall Clock, Craft Clock, Frameless Wall Clock. 4. Smart WIFI movement, automatic networks time adjustment once a day to achieve zero error; equipped with 3 hands of different sizes/styles, can repair, replace or make clock by yourself. 5. Warm Notice: when you install them, please keep the hour hand and minute hand parallel; And please do not use too much pressure to avoid bending them. Specification: Type: DIY Smart Wifi Clock Movement Kit Material: metal+plastic Color: As Shown Movement size: 79.5 x 56 x 18.5mm Movement shaft length: total shaft length 14.5mm, thread height 7mm, suitable for 1-3mm thick clock panels Hand size: from round hole to the end of the hand: hour hand: 64mm/68mm/90mm, minute hand: 88mm/98mm/120mm, second hand: 81mm/100mm/100mm Application: Suitable for DIY quartz wall clock, wooden wall clock, metal wall clock, craft clock, frameless wall clock, replacement of bad clock, etc. Features: Smart WIFI movement, automatic networks time adjustment once a day to achieve zero error; equipped with 3 hands of different sizes/styles, can repair, replace or make clock by yourself Package Contents:1 x smart WIFI silent movement 3 x hour hand 3 x minute hand 3 x second hand 1 x black rubber pad 1 x washer 1 x nut 1 x English manual Only the above package content, other products are not included. Note: Light reflection 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.