Smart, Wireless Alexa enabled indoor Thermometer & Hygrometer ThermoPro WIFI remote sensor not only quickly and accurately broadcasts the current temperature and humidity of each room, it allows you to be able to conveniently look up historic temperature and humidity readings from any location via an APP installed on your cellphone. When you ask Alexa the temperature and humidity of a room,Alexa will respond you by announcing the current temperatureand humidity retrieved from the device. ThermoPro TP90 Package 1 x Temperature and Humidity Sensor 1 x USB Charging Cable 1 x AC Power Adapter 1 x User Manual Specifications: Supports 2.4GHZ WiFi (DOESN’T SUPPORT 5G WIFI) Power Input: AC 100-240V 50/60Hz Temperature range: -58°F~158°F(-50°C~70°C), with resolution of 0.1°C/°F Humidity range: 10% ~99%, with resolution of 1% Temperature tolerance: +/- 2.0 °F (+/- 1 °C);Humidity tolerance: ±3% Temperature display unit: C/F selectable LCD display size:2.2 inches; THERMOPRO — LIFE LIKE A PRO, AND MONITOR YOUR ENVIRONMENT LIKE A PRO! Displays real-time temperature and humidity. With premium sensors provide accurate humidity and temperature readings. Accurate to ±2°F and ±3%RH Displays 24hrs/7-Days humidity and temperature historic trends with Max & Min records, so you always stay informed about changes to the environment on your phone. Features 3 comfort level indicators-DRY/COMFORT/WET, allowing you to be aware if adjustments are necessary for your AC or humidifier. Add and monitor an unlimited number of temp and humidity sensors within the APP for as many locations as you wish. WIRELESS TEMPERATURE AND HUMIDITY MONITOR SENSOR FEATURES Wirelessly Track for Multiple Locations The “ThermoPro Home” app is capable of displaying the readings from unlimited of TP90 temp and humidity sensors to ensure you can monitor as many locations as you wish such as your living room, baby’s room and storage room at the same time. Precise, Responsive Readings Accurately monitor the current indoor humidity & temperature to within ±1°C and 3% Lightning quick response time, taking measurements every 30 seconds via a highly sensitive sensor to