Specifications:The LED light with 5 levels of adjustable brightness, easy to use.Lightweight ABS material reduces body weight and improves wearing comfort.Waterproof design, no pressure for daily waterproofing(not suitable for bath, swim, diving, etc).Item Name: WatchMaterial: Silicone + ABSBattery: Built-in Rechargeable BatteryFeatures: 3-in-1 Design, Bright LED, Compass, ComfortableSize: 6cm x 6cm x 4cm/2.36" x 2.36" x 1.57" (Approx.)Watch Band Length: 27cm/10.63" (Approx.)Notes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x Watch1 x USB Cable