Feature: 1. Watch Display: This double watch winder adopts transparent window design which can perfectly display your watch, the perfect choice for wristwatch collector and lover. 2. Dual Mode: This watch winder box with LED lights provides 2 display modes, and it rotates clockwise and counterclockwise automatically. It can be powered by USB cable or 2 AA batteries, meeting your different needs. 3. Fit for Most Sizes: This automatic watch winder is suitable for almost all sizes of watches. Whether it is a small size watch for women or a large size watch for men, this watch winder works great with them. 4. Ultra Quiet Motor: This double watch winder box is designed with ultra quiet motor, which does not interfere with sleep, and you can put the smart winder anywhere and use it at any time. 5. Intelligent Chip: This double watch winder is featured with intelligent chip that can reduce power consumption during operation, achieving energy saving and up to 15 days of battery life. Specification: Item Type: Double Watch Winder Material: ABS Product Use: Ideal for Watch Storage And Display Battery: 2 x AA Battery(Battery Not Included) Product Size: Approx. 17.5 x 15 x 15cm / 6.9 x 5.9 x 5.9in ( Manual Measurement, Slight Error May Exist ). Package List: 1 x Double Watch Winder1 x USB Cable1 x User Manual