WiFi-operatedhumidity and temperature sensor Shelly H&T has built-in modules for Humidity and Temperature and is the worlds first Wi-Fi Humidity & Temperature sensor working over 1 year on battery. Not equipped with built-in battery, USB data cable SHY SHELLY H&T Shelly H&T helps with monitoring changes in humidity and temperature while avoiding dryne and keeping comfortable conditions at your home. COMFORT ALL YEAR AROUIND Helps you avoid dryne and conditions for mold growth.Keep aware of temperature fluctuations and enjoy comfort at home. COMPACT SIZE THAT FITS ANYWHERE Combines advanced technology with small size and stylish design.Allows you to place sensor anywhere at home.Monitor in-house conditions and have sleek and elegant detail in any room 365-DAY HISTORY Shelly H&T record all the data for humidity and temperature for up to one year.Always check the measurement for your home. HOW IT WORKS Put sensor anywhere at home, download Shelly Cloud App and add Shelly H&T sensor.Always be notified when there is any changes in the conditions at home. LONG-LASTING BATTERY LIFE UP Up to 16 months battery life.Keep your home comfortable.Never worry about dryne, exceive, moisture and conditions for mold growth again. CONTROL ANY ELECTRIC HEATER Turn the cheapest heaters into the smallest devices with Shelly H&T and shelly plug.Set the desired temperature on Shelly H&T for the whole day and worry no longer about high electricity bills . ONE APP COUTLESS POSSIBILITIES Control your home from anywhere with the best cloud service, user-friend interface scenes bulk control Shelly Cloud Application.