Theory:Hygrometer Origin:Mainland China Certification:CE Feature: 1. Function: This thermometer provides you accurate humidity and temperature readings for indoor. 2. Air omfort indicator: Level icons indicate air comfort, great for monitoring family's living conditions and health. 3. Clear reading: Large screen features large numbers, allowing easy readability. 4. Conveient design: You can attach to refrigerator or place the table with the hanging hole and back stand. 5. Application: Suitable for office, bedroom, living room, bathroom, school and more. 6. Good quality: Made from good quality ABS plastic, which is sturdy and durable, stylish design perfectly matches with your room. Specification: Size: 4.5*4.5*1.5cm Color: white Material: ABS Temperature measuring range: -50~70℃ Temperature resolution: 0.1℃ Accuracy: ±1℃ Battery: AG13 button cell Packing List: 1 * thermometer hygrometer(Batteries not included) 1. Please allow 1-2cm size differences due to manual measurement. 2. Due to different calibration of the monitors, the colors of the items displayed in the photos may differ on your computer monitor. 3. If the product you receive was damaged, incorrect, or any other issues, please contact us for assistance. 4. Please leave 5-star feedback if you're satisfied with our products and services, we will appreciate it.