Thermometer and Hygrometer 2 in 1Built-in 1.5m sensor line, present you accurate indoor and outdoor temperature/humidity. Ideal for air conditioning, management, office, hotel, bedroom, hospitals, laboratories,breeding Measurement Range and Accuracy Temperature: 0-50 degrees Celsius (32-122 degrees Fahrenheit), temperature measurement accuracy: 1 degree Celsius (2 degrees Fahrenheit), humidity: 10%-99% , accuracy of temperature measurement: humidity: 5% [Large Visual LCD Screen] The large LCD screen makes your vision clearer and wider and displays the recordings at any time. Rear bracket and rear hanging holesCompact design, can lay flat or hang on the wall, easy and convenient to use 5 Buttons, Easy ControlWith MODE, ADJ, MAX/MIN, C/F switch unit, RESET button, various functions meet your different needs. Remove the battery cover and simply insert 1 AAA battery (not included). NOTE: If thecharacters are faded, replace the battery.