The compact size and light weight make it very convenient to carry and place. Real-time monitoring of temperature and humidity allows you to understand the subtle changes in temperature and humidity. Long-lasting battery life makes it possible to get rid of the trouble of frequent battery replacement. Accurate measurement makes it very reliable and practical to use. Made of ABS material, it is very durable to use. The length of this product is 4.3cm, the width is 4.3cm and the height is 1.2cm. It is suitable for home, office, indoor, dormitory, bedroom and so on. It can be placed on bedside tables, desks, desks, etc., and can also be pasted on the wall, inside the car, behind the door, etc. Item Name: Hygrometer Material: ABS Battery Model: CR2032 (Included) Humidity Measurement Accuracy: 5%RH Humidity Measurement Range: 10%RH-99%RH Features: Real-time Monitoring, Emoticon Reminder, Clear Reading Temperature Measurement Accuracy: 1 Degree Celsius Temperature Measurement Range: -50 Degree Celsius-70 Degree Celsius Size Details: Size: 4.3cm x 4.3cm x 1.2cm/1.69" x 1.69" x 0.47" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. 1. When the thermometer exceeds 55% degrees Celsius, the thermometer screen is blank. When the temperature drops, it can return to normal. 2. When the temperature is below zero, the thermometer does not display a negative sign. Package Includes: 1 x Temperature Humidity Meter