Function: This thermometer provides you accurate humidity and temperature readings for indoor . Air omfort indicator: Level icons indicate , great for monitoring family's living conditions and health. Clear reading: screen features numbers, allowing easy readability. -- Conveient design: You can attach to refrigerator or place the table with the hanging hole and back stand. Application: Suitable for office, bedroom, living room, bathroom, school and more. Good quality: Made from good quality ABS plastic, which is sturdy and durable, design perfectly matches with your room. Product parameters: Product model: Multifunctional mini temperature and humidity meter Battery type: CR2032 (installed) Temperature measurement range: -50C-+70C (-58F-+158F) Temperature Measurement Accuracy: +1C (1.8F) Temperature Resolution: 0.1C (0.2F) Humidity measurement range: 10%RH-99%RH Humidity measurement accuracy: 5%RH Humidity resolution: 1% size: 43 x 13mm Material: ABS colour: White Package Contents: 4 x Thermometer hygrometer(Battery included) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.