Size:11.5cm,battery not include Silent Quartz Alarm ClockThe silent alarm clock has no annoying ticks, even if it is placed on the bedside table in the bedroom, it will not spoil a good sleep environment for you and your child Night light alarm clockTouch the button on the back, the built-in night light for eye protection will light up, so that children can see the time clearly even at night without hurting their eyes Creative Exterior DesignRetro alarm clock has a football look and features an easy to place design on the bottom, making it perfect for use as a bedside alarm clock, World Cup alarm clock Retro alarm clock designMetal frame, vibrant colours, small but beautiful design, beautiful decoration for bedrooms, offices, kitchens, children's rooms. Suitable as bedside alarm clock, travel alarm clock, desk clock