Thermometer and Hygrometer: The temperature measurement range is -30 to 50 (the measurement is not accurate when it is lower than -10 C), and the humidity range is 0% to 100 % RH. If you take it somewhere else, it will take a few minutes to display the current temperature and humidity. (Temperature error: 2. Humidity error: 8%) European & Vintage: The retro ivory bezel, black hands, blanet dial large Arabic numerals, provide a stylish appearance, easy to read even from a distance, work great with Rustic, Modern, Contemporary, European and Industrial furniture. Silent Movement: High quality silent mechanism movement, giving you a quiet environment without ticking. It can't affect your sleep and work in bedroom or study room. Accurate Time: After operated by 1 AA carbon-zinc battery, precise quartz movement ensures accurate time. (Note: Battery is not included. Do not use alkaline battery. Too much current will damage the movement.) Wide Application: Diameter in 30cm, suitable for kitchen, dining rooms dining room, living rooms, bedroom, study room, workshop or office. You can also send it to your friends or family as a festival gift.-