Indoor and Outdoor Thermometer, Thermometer Hygrometer with Outdoor Probe, Wireless Digital Thermometer Hygrometer with Large LCD Screen, ℃/℉ Switch, for Office, Home, Bedroom

【Long Transmission Range】Brifit thermometer hygrometer is connected to a radio transmitter that provides strong wireless signal penetration (433 MHz frequency). The thermometer has a wide transmission range (30-100 m/98-328 ft) in open areas, and the signal can be received quickly and reliably within the transmission area.【Multifunctional】Brifit indoor and outdoor thermometer, for healthy living, measures temperature and humidity values both indoors and outdoors. Primarily used for measuring temperature and humidity in homes, offices, workshops, etc.【Accurate Reading & Large LCD Screen】Large LCD screen for simple and clear viewing. Indoor temperature (0-60°C/32-140°F) / Outdoor temperature (-40°C-60°C/-40°F-140°F), Humidity (10%-99%), and accuracy up to ±1°C/±5%. Automatically updates data every 60 seconds (approximately 30 minutes for sensor stabilization). 【Easy to Use】Easily switch between Celsius and Fahrenheit temperature units using the button on top. Please note that the batteries must be reinstalled after changing the temperature units from °C to °F. 【Portable Design & Easy Installation】This indoor/outdoor thermometer comes with a wall mount and a retractable stand on the back, making it easy to mount on a wall or place on a table. This digital thermometer and hygrometer is an ideal companion for your family. Note: To avoid permanent damage, please note the battery polarity before inserting the batteries. Never immerse the product in water, as this will damage it. Change the unit from Celsius to Fahrenheit (the default setting is Celsius) before inserting the batteries. Please remove the batteries before changing the device while it is operating. Do not clean the product parts with benzene, thinner, or other chemicals. If necessary, clean with a soft cloth. Please replace the batteries if the screen becomes dim. Specification: Indoor Temperature: 0-60℃ / 32-140°F Outdoor Temperature: -40℃ -60℃ / -40°F-140°F Humidity: 10% - 99% Frame Size: 7.5 x 5.8 x 1.9 cm LCD Screen Size: 5.2 x 4.1 cm Thermo-Hygrometer Emitter: 6.8 x 5.0 x 2.0 cm Base Station: 2 x 1.5V AAA Alkaline Batteries (not included) Remote Sensor: 2 x 1.5V AAA Alkaline or Lithium Batteries (not included; use lithium batteries in cold weather and below -20°C)