Product Dimensions 38x38cm 50x50cm 70x70cm You can contact us for different sizes. Our product works with 1 battery (AA). Our product has a silent mechanism. You can sleep peacefully in the room where the clock is located. electrostatic paint 1.5mm steel material The product stands 2 cm in front of the wall. The product arrives fully assembled and can be easily hung from the hanger on the back.