Specifications: Type: alarm clock Function: alarm Powered by: 1x AA zinc-carbon battery (not included) Product Dimensions: 5.2 * 1.8 * 6.1inches Weight: 0.36 kg Package includes: 1 x alarm clock Note: 1. It is best to use 1 AA zinc-carbon battery (alkaline or rechargeable batteries can affect the life of the movement and the accuracy of the clock). 2. There is a slight difference between the picture and the actual item caused by the brightness of the light. 3. If the alarm clock runs slowly or if it is no longer loud enough, replace the battery in good time. 4. Keep away from a damp environment, large magnetic fields (e.g. devices such as refrigerators, microwave ovens, etc.) in order to avoid the effects of the magnetic field due to driving disturbances. 5. If you are not going to use the device for a long period of time, remove the battery to prevent the battery