Large dial screen: 10cm9.2cm4cm. Dial diameter: 7.5cm. The large, crystal-clear screen displays dialed numbers, making it easy for seniors, teenagers, and children to read dialed numbers. Absolutely silent: no noise/ticking. Make sure you have a peaceful and enjoyable night. Press the snooze button to snooze the alarm, which helps you live a normal life with this clock. Luminous night light and hands: Simply press the top night light button for easy reading in darkness. After the lights are turned off at night, the luminous needles will remain visible for a period of time for nighttime observation. Long Battery Life: Good Energy Efficiency Rating: A++, durable, long battery life, good weather. Good decoration for home, bedside, desk, table, kitchen, school, office. Please use high quality carbon batteries instead of powerful alkaline batteries or rechargeable batteries to extend the life of the movement. Quality Assurance: When you order our products, your purchase is fully guaranteed. All of our products come with a money back guarantee. On the Amazon product detail page, click the retailer URL displayed under "Buy this item", then click "Ask a question" on the following page to contact us.