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515-1912 Shower Cube Atomic Digital Wall Clock

SKU: 515-1912

Regular price$41.99

515-1912 Shower Cube Atomic Digital Wall Clock

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  • 12Hour Atomic Time & Date
  • Daylight Saving Time (ON/OFF/ALWAYS ON options)
  • 7 Time Zones
  • Calendar (Day /Month/Date)
  • Weekday Display
  • Countdown Timer
  • Wall Hanging or Free Standing Design
  • Low Battery Indicator
  • Outdoor Temperature shows NO with sensor not connected
  • Indoor/Outdoor Temperature Readings (°F/°C)
  • Outdoor Humidity
  • Signal strength indicator Outdoor Sensor
  • Low Battery indicator for sensor and clock
  • Mounting Options
    • Suction cup
    • Wall Mount
    • Free standing



  • Atomic Movement
  • Indoor Temperature Range: 32°F to 99°F (0°C to 37°C)

Included TX191TH Wireless Outdoor Temperature and Humidity Sensor
  • Outdoor Temperature Range: -40°F to 140°F (-40°C to 60°C)
  • Outdoor Humidity Range: 10% RH to 99%
  • Transmission Range: 330 feet (100 meters) open air RF 433MHz

Power Requirements:

  • Display:  2 "AA" Alkaline Battery (not included)
  • Sensor:   2 "AA" Alkaline Battery (not included)


  • Display:  4.92” L x 1.36” W x 5.12” H
  • Sensor:  1.57” L x 0.95” W x 4.49” H




La Crosse Technology, Ltd. provides, to the original purchaser, a 1-year limited time warranty on this product, relating to manufacturing defects in materials & workmanship.  In accordance with the Song-Beverly Act, in the state of California, the warranty on this item becomes effective on the date of delivery.  The item will be either repaired or replaced at La Crosse Technology's discretion.

Click Here for full warranty details

Use the registration form below to register ownership of your product only.  If you have a question about use of the unit, please click on the support tab next to this one to see available support material or submit a ticket.


In this video we explain what a clock movement is, go over what "Atomic Time" means, and then demonstrate how to set up and use any of our four main wall clock movements. Use this video to learn how to set up a basic decorative wall clock, or one that uses the WWVB Atomic Radio Signal coming from Fort Collins, CO.

For more information on the NIST or the WWVB signal, visit:

For additional information about you wall clock, visit:


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