Always accurate, automatically adjusts to DST.
Extremely accurate clocks run on AA batteries for approximately two years before needing replacement. Automatic adjustment to daylight savings makes them ideal for mounting in hard-to-reach places.
Both models are accurate to 1/10,000 of a second. A controlling radio signal from NIST in Boulder, Colorado automatically adjusts to precise time, daylight savings, leap year, and leap seconds (corrections for the earth’s rotational “wobble”). Both come with a certificate of traceability to NISTstandards. Digital Clock displays time in a.m/p.m. or 24-hour time, plus month, date, day-of-the-week, and ambient temperature in Fahrenheit or Celsius (23 to 122°F and –5 to 50°C with 0.5 resolution). Large 2-1/4"H digits are visible from 20'. Dimensions: 8-3/4"W x 9-3/4"H x 3/4"D. Weight: 1.1 lb. Wall mount, screw and two AA batteries included. Analog Clock has a bright, highly visible second hand. Dimensions: 12" dia. x 1-1/4"D. Weight: 1.4 lbs. Wall mount, screw and AA battery included.
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