D+La Crosse Technology WS-8418D+Watch it work for you! Self-setting atomic time piece is sure to please in a modern silver finish. This eye-catching clock automatically sets your time & date and resets itself at Daylight Saving Time. It features your Indoor & Outdoor Temperature (F/C) and Moon Phase that will keep you entertained and time alarm with snooze feature to keep you alert! Clock will display in 4 different languages: English, French, German and Spanish and updates within seconds from the included wireless temperature sensor which can be placed up to a 330D+includes wireless transmitting sensor TX37D+Select your time zone from 0 GMT to +/-12 hr settings, face the clock towards the direction of Ft. Collins, Colorado and watch it automatically update the time. This clock has a built-in antenna to receive the WWVB radio signal, from NIST radio station, located in Fort Collins, Colorado. Transmitting the exact time radio signal continuously throughout the United States at 60 kHz. The signal has a range of up to 2,000D+Included with clock is a weather resistant transmitting outdoor sensor that sends outdoor temperature values inside to the clock. Viewable in either Fahrenheit or Celsius with a range of 330D+Time alarm indicator icon displays when alarm is activated. Snooze features allows for 10D+The clock features low battery icon for both the clock & wireless sensor letting you know when batteries should be changed. We recommend using brand name standard alkaline batteries (no heavy duty, lithium, or rechargeable) with an expiration date of 7 years in advance of the current year or tested to 1.48D+Time digits are 2D+12/24D+4D+OUT Temp Range: -39.8 F to +139.8 F (-39.9 C to +59.9D+IN Temp Range: 14 F to 100 F (-9.9 C to 37.8D+Power Requirements: Clock: 2 AA Alkaline batteries (not included); Sensor: 2D+Time digits measure 2D+Clock shows your Month & Day with weekday view, which displays in any of the 4D+