Springfield"s Deluxe Wireless Weather Forecaster displays current weather conditions and forecasts upcoming weather conditions. Featuring barometric weather forecast with icons, heat index and dew point readings, calendar and moon phase and a minimum/maximum temperature, barometric pressure and humidity memory, this device is sure to give you all the weather information you need and more. A programmable temperature alert allows you to receive an alert when you need to be aware of temperature conditions. One remote sensor is included. The outdoor unit is to -40 degrees F when using lithium ion batteries. The overall size of the main unit is 8" wide by 6-1/3" tall. The extra large display measures 6-3/4" wide by 5" tall and features digits measuring up to 1-1/2" in height. The outdoor remote sensor also features a semi-metallic silver finish and measures 2-1/2" wide by 3-1/3" tall.