3M® Precision Clock & External Temp. Sensor 

Item  #: 239748 | Model #:  AC100MB-AH |
3M® Precision Clock & External Temp. Sensor


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About this item

Digital clock with calendar, alarm and indoor/outdoor temperature.


The 3M Precision Clock tells you accurate time, as well as the day of the week, date, indoor and outdoor temperatures, and it features a built-in alarm with snooze. Stylish, versatile and practical, this clock is the perfect addition to any home or office.


  • Displays hours and minutes
  • Alarm with snooze
  • Indoor temperature (ºC and ºF)
  • Outdoor temperature (ºC and ºF)
  • Calendar (month and day)
  • Day of the week
  • 1 year limited warranty
  • Daylight savings time on/off switch
  • External temperature sensor range: 10 ft.
  • Wall mount and desktop stand-alone capability

  • Clock requires 3 AA alkaline batteries (not included)
  • Sensor requires 2 AA lithium batteries (not included)



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    This product is covered by the Sam's Club Member Satisfaction Guarantee.