Analog Clock - Mechanical Clocks Garde - Clock Count Up Down TimerEasy to Use: Just wind it up and set the hands before the game. plastic casing, lightweight and portable.Widely Use: Available for Chinese, International and I-GO.No Battery Needed Wind-up mechanism ensures that you'll never have to interrupt a game to replace a battery.Accutate Time: The timing is accurate, and the daily error is no more than 1 second.Product description: mechanical analog Clock.Available for Chinese, International and I-GO.The clock adopts a mechanical structure with a timing start button. Easy.The timing is accurate, and the daily error is no more than 1 second.It is suitable for all kinds of game timing clocks. plastic casing, lightweight and portable.Specification:Material: PlasticColor: BlueSize: About 18.8x8.8x4.5cmPackage includes:1pc x ClockNote:1. Due to the light and screen difference, the item's color may be slightly different from the pictures.2. Please allow 1-2 cm differences due to manual measurement.