Radio Atomic Clock Traceable® 1-3/4 X 10-1/2 X 16-1/2 Inch 12/24 hours / '-5 to 50°C (23 to 122°F) Digital Display Battery Powered

1/10000 secs Accuracy

6 AA Batteries

Supplied: Wall mount, bench stand, Traceable® certificate

0.1° Temperature resolution, ±1°C temperature accuracy

Relative Humidity Range: 20 to 90% RH

Accuracy: Temperature ±1°C and Humidity ±5% mid-range (±7% otherwise)

With ambient and remote temperature and humidity

Giant-Digits™ 4-3/4 inches viewable from 200 feet

Clock automatically adjusts for daylight saving

Traceable® to NIST Certificate