General Description The digital hygrometer thermometer is an essential device for measuring indoor and outdoor temperature and humidity, ideal for homes, offices and workshops. Thanks to its wide wireless transmission range, it guarantees fast data reception in an open area. Technical Specifications Transmission Range: 30-100 m (98-328 ft) Frequency: 433 MHz Indoor Temperature Range: 0-60 °C (32-140 °F) Outdoor Temperature Range: -40 °C to 60 °C (-40 °F to 140 °F) Humidity Range: 10% - 99% with an accuracy of ±1 °C/±5% Data Update: Every 60 seconds Compatibility and Accessories Can be used with rechargeable batteries (batteries not included) Compatible with various environments such as homes, offices, and workshops Installation Easy to install thanks to its wall mount and retractable stand on the back, allowing it to be mounted on a wall or table. Use This hygrometer thermometer is easy to use, thanks to a button that allows you to quickly switch between Celsius and Fahrenheit units.