Silent Quartz Alarm Clock: This tickless alarm clock features a silent quartz movement, so it doesn't make a sound even on quiet nights, so you don't have to worry about it disturbing your sleep. Get a good night's sleep even if you put it next to your bed Battery Powered: The analog alarm clock is powered by one AA battery (not included). This is very convenient because you don't have to deal with tangled charging cables and can put it anywhere you want. Ideal gift for friends, seniors and children 12/24 hour system design, 1-60s scale; Description: Name: Alarm Clock style: cartoon Display Type: Pointer Applicable places: living room, bedroom, study, kitchen Special features: decoration, luminous, alarm Appearance shape: round Size: 8X9X4.8CM Material: metal shell, plastic back plate, glass mask Movement type: Quartz Power type: 1pc AA battery (not included) 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.