Usage Tips:Specifications:1. LCD display2. 41mm diameter of the opening (small measurement error)3. Profile diameter 45.2 (the measurement is subject to a small error)4. Weight: 25g (without battery)5. the display of humidity6.10% to 99% Humidity measurement range7. the resolution of the humidity display is 1%.8 Humidity sampling period 10 seconds (1 minute)9. the measurement accuracy of humidity is 5%.10 Rated voltage DC1.5v (1 AG13 button cell)11 Temperature measuring range -50 to 7012. the accuracy of temperature measurement is 1 degrees (at room temperature)Properties:The small and portable temperature and humidity meter is suitable for any scene. In addition, its beautiful and stylish look is also the beautiful room decoration.With the Digital Thermo-Hygrometer you always he an up-to-date view of the room climate and can therefore also use the humidifier according to your wishes to adjust the temperature and humidity of the room.Installation of the battery:Turn the product to the back;Slide the battery compartment lid in the direction of the arrow;Insert two LR44 button cell batteries into the battery compartment.Scope of delivery:1*Mini Thermometer Hygrometer (Pengiriman berdasarkan kuantitas pesanan aktual)