Features and Specifications:1.The wall clock is 3D effect，2.Waterproof EVA foam material，use eco friendly material;3.DIY distance from different digits， and DIY shape of the digits4.Easy to install and remove the sticker;5.It is self-adhesive， water & steam resistant， Non toxic and safety for the children;6.Silent sweeping movement， mute movement，Silent Clock give you a quiet night.7.The decals can be applied on all smooth surfaces，such as Walls， Doors， Windows， Closets， Plastic， Metal， Tiles etc. Battery: 1*AA (1.5V) battery (Not include)