COMPATIBLE WITH ALEXAThis smart temperature sensor remote monitor & alarm by Smart Life APP .When the wirelss remote temperature monitor connects with Wifi(NOT SUPPORT 5G WIFI), you can remote monitor the temperature and humidity of your home through your phone when you're away from home.(NOTE: please tear off the protective film on the screen first before use) HISTROICAL TEMPERATURE&HUMIDITY RECORDCompare with other wireless temperature monitor, wifi thermometer designed with clear LCD Screen to display. You can check the current temperature humidity on LCD display, or you can get current and historic data via smart life APP. SMART GADGETThe wireless thermometer works with Amazon Alexa and Google Assistant. Stable temperature and humidity is often an essential factor to avoid costly and irreparable damage to property and possessions. ALWAYS ACCURATEThe humidity sensor monitors the environment reliably and 24/7. Manage the temperature and humidity in the most accurate way. Please note that this wifi temperature sensor is powered by battery(Not include). Smart Notification AlertA critical alert from a remote temperature sensor will allow you to take preventive measures before the temperature or humidity reaches destructive levels.