Buyer Beware: Clock is made of sturdy outer and assembled with LCD screen with high definition、 which are under rigorous quality control. If you buy the clock come from other sellers in this listing、 which means you may get the cheap copy clock and poor service. Dimension:Inches Size: 5.31 In * 3In * 1.8 In Centimeter Size: 13.5 cm * 7.6cm * 4.5cm Notification:1. Please use the Carbon batteries instead of Mixed or Alkaline batteries 2. Once the clock is not work、 it may because of the inapplicable batteries、 please change other new batteries、 normally it will be fixed 3. If there are any problems or questions about the clock、 customers can contact us by e-mail、 we will help customers to fix it ASAP. Warranty:90 days money back: If you are not satisfied with our product、 feel free to contact us and get your money back One year guarantee of quality: If there is any problem of quality、 please contact us for a replacement or full refund.