Features: 1.Silent Operation: The sweeping needle of the alarm clocks does not make any annoying noise, keeping the clock quiet, suitable for work and study environments, as well as for sleep. 2.Easy to Use: Silent alarm clocks are designed to be simple, not easy to break, guard you from radiation, and only need one AA battery to enjoy. 3.Simple and Stylish: Students alarm clocks are simple and stylish with a modern design that fits perfectly into your modern home style. 4.Small and Portable: Students alarm clocks are small and compact in size, easy to carry, suitable for travel or take anywhere. 5.Premium Material: Silent alarm clocks are made of premium material, sturdy and durable, slick to the touch, and long life.specification:Item Type: Alarm Clock Material: Plastic Length: Approx. 10cm/3.9in Usage: Suitable for Office Decoration, Shelf Decoration, Gift Giving Battery: 1 x AA Battery (Shipped Without Battery)PackageList:1 x AlarmClockNoteManual measurement please allow some error.