1. Overview of functions: 1. LCD screen 2. Dimensions 48*28.5*15mm (the measurement has a little error) 3. LCD screen size: 35.7*16.6mm (the measurement has a little error) 4.Weight: 18g (battery included) 5. Humidity display 6. Humidity measurement range 10%～99% 7. Humidity display resolution 1% 8. The humidity sampling cycle is 10 seconds (1 minute) 9. Humidity measurement accuracy ± 5% 10. Rated voltage DC1.5v (2 AG13/LR44 button batteries) 11. Temperature measurement range -10 to 50 degrees Celsius 12. The environment in which the machine is used is 0-50 degrees 13. Temperature measurement accuracy ±1 degree (under normal temperature) 2. Installing the battery Return to the back of the product; Push to open the battery cover in the direction indicated by the arrow; Insert two LR44 (or AG13) button cell batteries in the battery compartment 3. Installation and operation 1. Embedded Installation 2. The length of the detection line can be customized as needed (built-in by default) Home humidity temperature monitor: This portable thermometer hygrometer measures indoor humidity and temperature, helping you to know the indoor air conditions. Very popular mini LCD display digital thermometer thermo-hygrometer and is widely used in living room, greenhouse, musical instrument room, wine cellar, cellar, warehouse, attic, nursery, mudroom. Color: 5pcs Product Feature: 1. Mini size and exquisite design, easy to carry and widely used. 2. The small and portable temperature and humidity meter is suitable for every scene. 3. With the digital thermo-hygrometer you always have an up-to-date view of the indoor climate and can therefore use the humidifier as you wish to adjust the temperature and humidity of temperature and humidity. Package Included: 5x Digital Thermometer Hygrometer Get Very Rich Note: The data is manual measurement, please allow some error 1-23cm, due to differences between light and screen, there will be a certain color difference, the specific received in kind prevail.