Size: 8.7cm X 8.7cm X 3.8cm Material: silicone Battery: 5 carbon battery (batteries included, do not use alkaline batteries) The rabbit ear of the alarm clock is made of eco-friendly silicone. It is soft and safe for children. This children's alarm clock has a clear and simple face, children can easily learn to tell the time. Lovely rabbit alarm clock, c is an ideal gift for birthday and Christmas. It takes up little space and can be used as a travel alarm clock. The alarm clock is silent without ticking . It can be put on the bed. Usage The alarm clock is easy to use. When we set the alarm and the time, we just need to turn the knob and let the clock hands stop at the right place. We need to follow the direction of the icon to turn the knob. Children's night light alarm clock To use the night light, just press the light button on the back of the rabbit alarm clock and hold it down (the light cannot be fixed, just release the button and the light will turn off). The package contains: 1 piece alarm clock