Temperature measurement range: -10-60 (C) Humidity measurement accuracy: 5% (RH) Temperature measurement accuracy: 0.5 (C ) Humidity measurement range: 0% RH~99% (RH) APPcozylife Features High temperature alarm and low temperature: When the set temperature value is exceeded, the phone will sound an alarm voice control Works with third-party Smart Speake Support and asks for the indoor temperature and humidity via voice commands through the Alexa speaker. Temperature Unit Switch You can switch the temperature unit between Celsius and Fahrenheit in set, then press the reset button once, the temperature unit switches. Intelligent Linking The WiFi temperature and humidity sensor can be connected to other smart devices in the house to improve the heating and the indoor cooling and make your home more comfortable. Multiple installation methods: can be placed directly on the table or glued to the wall. Without a data cable, it is more convenient and beautiful package includes: 1 * (1 sensor)