olor: YellowMaterial: AcrylicType: Wall ClocksShape: RoundFeature: Smiley FaceMotility Type: QuartzDisplay Type: NeedleIt will remind you to smile and it will also put everyone else around you in a better mood. It?s the visual equivalent of saying ?Have a nice day!? This clock measures 8? x 8? x 1/8? and is laser cut yellow acrylic. It takes 1 AA Battery which is not included and has a nice glossy finish.