Features QUICK TEST: With the mini thermometer hygrometer, you can quickly and easily get an overview of the ambient temperature and humidity. No particularly complicated operation is required. Accuracy: the hygrometer measures humidity in the range of 10% to 99% and temperature accuracy from -50°C to 70°C, providing a comfortable living environment for pets or reptiles. Integrated distance: the thermometer and hygrometer have an integrated high-precision industrial chip that is extremely resistant to interference. Integrated within one meter, easy to use. LCD digital display: the hygrometer uses an LCD digital screen to display the numbers clearly and easily readable. Easy operation, less interference, stable function. CUSTOMER SERVICE We want to provide you with the best product experience. If you have any problems before or after sale, please send us an email. We will solve the problem for you in no time. Specification: Item Type:Humidity Meter Model: FY-12. Display: LCD. Size: approx. 48 x 28.6 x 15.2 mm / 1.9 x 1.1 x 0.6 inches (the measurement has a small error). LCD size: approx. 35.7 x 16.8 mm / 1.4 x 0.7 inches (small measurement error). Humidity display: Supported Humidity measurement range: 10% to 99% Humidity display resolution: 1%. Humidity measurement period: 10 seconds (1 minute) Humidity measurement accuracy: ±5%. Temperature measurement range: -50 to 70 °C. Temperature measurement accuracy: ±1°C (at normal temperature). Cable length: approx. 1.5 metres/4.9 feet. Battery installation: 1. Scroll to the back of this product, 2. Slide the battery cover in the direction indicated by the arrows. 3. Insert two LR44 button batteries (not included) into the battery compartment. Packing list: 1 x humidity meter. Note: The probe of this temperature and humidity meter is not waterproof. Do not put the probe in water or damp places. And this temperature and humidity meter cannot be used in refrigerators and freezers. Please note that the new type and old type of this product will be sent at random, and make sure you do not mind before ordering. Package List 1 x Humidity Meter