1. Glows in the Dark: The numbers and hands feature a nightlight function. It needs to absorb sufficient light energy during the day. At night, it emits a fluorescent glow, allowing you to see the time in the dark. (Tip: The clock glows for about 5-6 hours; glow time depends on the light absorbed during the day.) 2. Easy to Read: The contrasting numbers on the black face make it easy to read the time from any angle. Perfect for dining rooms, living rooms, family rooms, bedrooms, studies, kitchens, offices, and meeting rooms. 3. Silent Sweep Movement: The high-quality, precise quartz movement ensures accurate timekeeping, and the silent sweep ensures a peaceful study and work environment. 4. Easy to Install: Simply install a small nail through the plastic hook for secure wall mounting. 5. Battery-Powered: Requires one AA battery (not included). Use a standard carbon-zinc battery; do not use alkaline or rechargeable batteries, as these can shorten the mechanism's lifespan and affect accuracy. Movement: Quartz Shape: Round Color: Silver Material: Plastic Size: 30cm diameter Package Contents: 1 x Wall Clock (Battery not included) Note: Light and different displays may cause the color of the item in the picture to differ slightly from the real thing. The measurement allowed error is +/- 1-3cm.