High temperature and temperature alarm: Once set temperature is exceeded, the phone prompt an alarmvoice control:Works with Smart Support inquiring the indoor temperature and humidity via voice commands through speaker.Temperature Unit Switch:You can switch temperature unit between Celsius and Fahrenheit in the set, then the reset button once, temperature unit switch.Intelligent linkage:The WiFi temperature and humidity sensor can be linked with smart devices in to improve the indoor heating and cooling, and make your home more comfortable.installation methods: can be placed directly the table or glued to the wall. Without a data cable, it's more convenient and beautifulTemperature measurement range: -10-60 ()Humidity measurement accuracy: 5% (RH)Temperature measurement accuracy: 0.5 ()Humidity measurement range: 0% RH-99% (RH)APP:Colour:WhiteMaterial:plasticSize:8x3.65x2.55cmPackage Contents:1 * Temperature And Humidity Sensor1 * English instruction manualOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.