1.7 Color Variations - Can emit soft light in 7 colors: red, yellow, green, blue, light blue, purple, purple, creating a romantic atmosphere. 4 AAA batteries for colored lighting. 2. Support 12 hour and 24 hour time format, calendar, temperature and alarm. A free AC power cord is included for your spare. (Batteries not included). 3. The dimensions of this cute clock are: (L x W x H): 8 x 8 x 8 cm / 3.15 x 3.15 x 3.15 inches. 4. Features: Off mode: alarm off, standby mode, when pressed lightly, it will emit colorful lights, allowing you to see the time at night. In power-on mode: the alarm clock will keep the same lighting and automatically change 7 colors. Best Christmas gifts for boys and girls, birthday gifts.