Large Decorative Outdoor Thermometer: 2-1 Indoor Thermometer & Hygrometer is great for tracking temperature and humidity, 12 inch diameter round wall thermometer hygrometer accurately measures temperatures from -50~60°C (-60~140°F), Accuracy: +/-2°C; Humidity Measuring Range: 20~90%RH, Accuracy: +/-7%RH (40~70%RH). The round outdoor thermometer accommodates all general temperature and humidity changes. Durable Materials: The decorative outdoor thermometer and hygrometer consists of a sturdy aluminum bottom case, acrylic lens and aluminum pointer, won't rust like metal ones. You can use this large round thermometer for a long time without damage even if you put it outdoors. Easy to Read: Our outdoor thermometer has a 12-inch dial, decorative with blue and red indicator pattern on the dial surface. And clear scale lines, bold black numbers for easy reading, luxurious silver frame make your room more unique. With a keyhole on the back, you can hang the thermometer on the wall and read