features: 1. Cute alarm clock for children: beautiful appearance, portable design, easy for children to use. It can be placed on the bedside table or on the children's table to remind the time, it is a good helper for children. It's perfect as a gift for kids. 2. Battery powered alarm clock: 1 AA battery (not included). Note: Please use carbon batteries. Please debug before use. If the battery is low, please replace it in time. 3. (In order not to affect the life of the alarm, please follow the direction indicated by the arrow when setting the time and alarm).Description: Name: Alarm Clock style: simple Display type: pointer + number Applicable places: living room, bedroom, study, office, public place Material: metal shell + plastic dial Waterproof: no Special features: decoration, luminous Appearance shape: round Whether double-sided: single-sided Size: 4 inches Movement type: sweep second movement Power type: 1x AA battery (excluding self-provided)Packing list: 1 x Alarm Clock Note: Different displays may cause the color of the item in the picture a little different from the real thing. Manual measuring,please allow 1~3mm error,thank you.