Check the listing for details. AcuRite Wireless Indoor Outdoor Digital Thermometer with High Low Memory & Clock. Color: Black/Silver, Condition: New. Listed at 32.95 USD. AcuRite Wireless Indoor Outdoor Digital Thermometer with High Low Memory & Clock Gray/Black FREE USA SHIPPING BRAND NEW IN SEALED RETAIL PACKAGEAcu-Rite ThermometerIndoor/Outdoor Temperature with Trend Indicator Arrows Daily High/Low ReadingsIntelli-Time Self Setting Clock with Date, Automatically updates itself for Daylight Savings TimeDisplay Unit Stands upright for tabletop use, or is wall mounted Basic Weather Features:Indoor TemperatureOutdoor TemperatureWirelessShows Daily High/Low Temperature for the dayThis Unit has an Outdoor Sensor that you mount outsideWorks down to -40 F, and Lithium is RECOMMENDED below -4 F on outside unitStrong wireless signal....433 MHzIntegrated HangerLED IndicatorWireless Ranges of 330 ft MAX Depending on home construction materials. This means it MIGHT work out to 330 feet, it does NOT mean that it DOES work out to 330 feet!Measurement RangesOutdoor Temperature from -40 F to 158 F (-40 C to 70 C)Indoor Temperature from 32 F to 122 (0 C to 50 C)Requires 5 AA Batteries which are not Included.Display unit Measures3 1/4 inches wide5 3/4 inches tallActual Display Screen Measures1 3/4 inches wide2 5/8 inches tallHas a Bold Easy to read LCD Display.