Monitor indoor and outdoor temperature with daily high and low records and trend arrows that indicate whether temperature is Rising or falling. The wireless signal is 433 MHz.The temperature range is -40 to 158 degrees Fahrenheit; -40 to 70 degrees Celsius
Humidity level icon conveys a low;high;or ideal humidity level for your indoor environment and Health
Wireless all-weather outdoor sensor features wireless range of up to 330 feet (100 meters)
12 to 24-hour Weather forecast; sunny;partly cloudy;cloudy;rain;snow and rain/snow mix. Illuminated color display with adjustable dimmer; electric-powered with optional battery backup
Note-sensor requires lithium batteries in low temperature conditions. Cold temperatures can cause alkaline batteries to function improperly. Use lithium batteries in the sensor for temperatures below minus 4 degrees fahrenheit or minus 20 degrees celsius