Fangrui Product Details 1. Temperature And Humidity Measuring Baby Room Temperature Meter 2. Material: Abs 3. Temperature Measurement Range: -50-70 Degrees Celsius (-58-158 Degrees Fahrenheit) 4. Humidity Measurement Range: To Rh 5. Power Supply: Contains A Cr2032 Button Battery 6. Size: About 4.3x1.1 Cm 7. Weight: About 25.5 Grams 8. Features: 9. Real-time Monitoring Of Temperature And Humidity, And Feel The Subtle Changes In The Air 10. The Design Is Light And Small, Exquisite And Beautiful, And Easy To Install 11. Low Power Consumption Screen, Including Button Battery, Standby Time Is About 2 Years 12. Using High-precision Digital Temperature And Humidity Sensor, Can Quickly Find Temperature And Humidity Changes 13. 1.5 Inch (28x28mm) Liquid Crystal Lcd Display, Digital Code Breaking Effect, Display More Clearly 14. Adopt Abs Environmental Protection Material, Safe And Reliable, Healthy And Odorless, Durable, Wear-resistant And Drop-proof