Description Large Clear LCD Display-With a large clear LCD display, it is easy to read the temperature and humidity values. It is an ideal choice for interior decoration like bedroom, kitchen and living room. [Precise Measurement] - Temperature Range: -10C~+50C (14~158F) / Humidity Range: 10%~99%). Temperature and humidity measurement accuracy is 1C/5%. [Maximum and minimum display] - The device displays the maximum and minimum values of temperature and humidity. It's easy to check for subtle changes in temperature and humidity every day. [C/F switch] - the button on the back of the thermometer. Short press to switch between Celsius and Fahrenheit. Long press to delete the highest/lowest temperature value. [Portable Design] - Desktop stand, hanging hole and magnetic folder design can be conveniently placed anywhere in the house. Powered by 2 AAA batteries (not included). Specification: Measurement range: temperature: -1050 (14 to 158) Humidity display: 10%~99% Accuracy: temperature: 1C; humidity: 5% Resolution: temperature: 0.1C; humidity: 1% Powered by the following equipment: 2 AAA 1.5 V alkaline batteries (not included) Display mode: LCD (Length x Width x Height): about 10.5 x 9.5 x 2.5 cm / 4.13 x 3.74 x 0.98 inch Noticed: Please replace the battery when the screen becomes dim If you work in a high frequency radio field, for example near a mobile phone, or if you receive an electric shock, it may affect the performance of the device. Accuracy of temperature and humidity: 1C / 5%. The value deviation is the acceptable range, which is normal. We recommend that you restart the thermometer and replace the batteries with new ones. At the same time, the thermometer should be placed for a while, do not touch the thermometer to see if the temperature value changes. Please allow slight deviation in the measurement data and make sure you don't mind before ordering.