- Outdoor temperature range -4 degrees Fahrenheit to 140 degrees Fahrenheit (-20 degrees Celsius to 60 degrees Celsius) - Indoor temperature range 23 degrees Fahrenheit to 122 degrees Fahrenheit (-5 degrees Celsius to 50 degrees Celsius) - Indoor humidity range 25% - 95% - Signal frequency 433 MHz - Transmission range of 98 feet (unobstructed) - Outdoor temperature (up to 3 channels) - Weather forecast icon - Ice Alert with Green LED light - Indoor temperature and humidity - Daily Hi/Lo memory for temperature and humidity (toggle) - Atomic clock/Calendar - Backlight - Main unit powered by 3 AA batteries (not included) - Remote sensor powered by 1 AA Battery (not included)
