General description Simple and elegant design meets all needs. This 12 Inch (30cm) luminous wall clock features a round dial with a digital display, ensuring easy reading even in dim lighting. The high precision movement provides accurate timekeeping, while the silent design ensures no ticking, creating a peaceful environment for sleeping or working. Technical specifications Size: 30cm Color: Black + White Material: PVC Powered by: 1 x AA Battery (Not Included) Measurement allowed error: +/- 1-3cm Usage The luminous feature allows the clock to glow in the dark, making it easier to read at night. To ensure optimal brightness in the dark, the clock should absorb sufficient light from sources like light bulbs or sunlight. The night light can last for more than 4 hours before slowly dimming. Other information Please note that the glow in the dark numbers may get dimmer as the night progresses, especially if the clock does not receive enough sunlight or other light during the day. Light