Indoor and outdoor thermometer, smart thermometer with wireless outdoor sensor, digital hygrometer thermometer with large LCD display, ℃/℉ switch-Indoor and outdoor thermometer, smart thermometer with wireless outdoor sensor, digital hygrometer thermometer with large LCD display, ℃/℉ switch for office, home, bedroom-Product Description 【Wide Transmission Range】The hygrometer thermometer is connected with a radio transmitter to provide strong wireless signal penetration (433MHz frequency). The thermometer has a wide transmission range (30-100m/98-328ft) in the open area, and the signal can be received quickly and timely in the transmission area. 【Multifunctional】Indoor and outdoor thermometer for healthy life, measure indoor and outdoor temperature and humidity value. Mainly used to measure the temperature and humidity in homes, offices, workshops and other places. 【Precise reading and large LCD screen】: Large LCD screen, easy and clear to view. Indoor temperature (0-60°C/32-140°F)/outdoor temperature (-40°C-60°C/-40°F-140°F), humidity (10%-99%), accuracy up to ±1°C/±5% Automatic data update every 60 seconds (approximately 30 minutes to stabilize the sensor). 【Easy to Use】: Use the buttons on the top to easily change the Celsius or Fahrenheit temperature units. Note that the battery will need to be reinstalled after changing the °C/°F temperature units. 【Portable Design and Easy Installation】: With wall mount and retractable stand on the back, it is easy to install on the wall or put on the table. A digital hygrometer thermometer is the ideal life companion for your family.