MADE IN TAIWAN BOXY Colorful Fancy Brick watch winder Iron Gray Add on without Adapter Sizes: 3.86 x 5.51 x 4.45 inches.Patented design on power-sharing allows automatic watch collectors to expand their collections and maintain the operation of the treasured watches in optimal conditions.This particular model is the Add-On system which don’t comes with the AC Adapter. You will need at least 1 FULL system (one power cord adapter including).Capable with BOXY Brick Winder System (to run on 1 single adapter).Modual watch winder (power sharing).Features 15 programmed settings perfect for most watches Mechanism.Light Sensor controls the accuracy of TPD (Turns Per Day). The Superior Edition of Brick Winder System TAIWAN MADE High Quality The colorful Fancy Brick winding system is one of the well-known BOXY Watch Winders. The Classical Iron Gray is the "must have" color which accomodates all watches/ interior/ furnitures. The series is another internationally recognized innovation which has received patents from many countries. The power-sharing patented design allows automatic watch collectors to continue expanding their collections, and maintain the operation of the treasured watches in optimal conditions. This particular model is the Add-On system which don’t comes with the AC Adapter. You will need at least 1 FULL system (one power cord adapter including) if you plan on purchasing the units separately. The style and power functions make this winder truly unique. As each unit is stacked on top of the other, the electrical current flows through them using a unique connectivity system that is 100% safe. Classic Iron-Gray In addition to the most attractive“power sharing”feature, the shiny finish, the fashionable touch-screen power sensor, neat out-looking and the most complete TPD setting make this edition nothing better. 1. Light Sensor controls the accuracy of TPD (Turns Per Day) 2. Japanese Mabuchi motor with improved belt driving system, silent and long lasting. 3. Nice Watch Cushions hold the Watches in place very well 4. Clear front cover (dome) make your watch away from the dust. 5. Included 2 spare driving belts inside. Easy to replace. US Patent US Patent Complete Function and Power-Sharing Direction setting Rotational direction setting (clockwise, counter-clockwise, bidirectional) TPD setting Features 15 programmed settings perfect for most watches (From 650~3,600) Series number It is at the bottom of winders for future tracking. You could expand your collection at a later date. By stacking the winders, the power goes through vertically. Available up to a maximum of 12 watch winders. Capable of arranging 12 of these bricks to run on 1 single adapter (UL standard). ​** The Power Extension Tray (large) is sold separately.**