Taylor Weatherguide 1527 Wireless Indoor/Outdoor Weather Station Indoor/outdoor temperature readings: Indoor: 14 to 158F x 0.1 (-10 to 70C x 0.1) Outdoor sensor only: 14 to 158F x 0.1 (-10 to 70C x 0.1) Outdoor w/probe: -40 to 158F x 0.1 (-40 to 70C x 0.1) Indoor/outdoor humidity reading: 20 to 99% RH x 1% Wireless remote sensor reads up to 100 ft away (one sensor included - supports up to 2 additional remote sensors - model #1536 - that can be purchased seperately) Weather trend icons indicate rising, steady or falling temperatures barometric pressure readings comfort level indicator High/low temperature recall view daily high and low temperatures low battery indicator atomic clock with alarm & snooze month & day calendar blue backlight for easy reading AC adapter