USA BASED: Marketing, Engineering, and Customer Service teams PRECISION MEASUREMENT: Reads indoor temperature range between 32F to 122F (0C to 50C) and outdoor temperature range between -40F to 140F (-40C to 60C) MONITOR COMFORT LEVELS: Measures indoor and outdoor humidity ranges WEATHER FORECASTING: Indicates the general weather trends and tracks barometric pressure EXTRA FEATURES: Includes full color LCD readout for enahnced visibility, ice alert, calendar with clock and touch snooze alarm, and moon phases ENHANCED POWER: Includes AC adapter to help battery life and enhance LCD readout ONE (1) YEAR LIMITED WARRANTY: This dial thermometer is backed with a 1-year limited warranty so you can make your purchase with confidence