Extech CTH10 Radio-Controlled Wall Clock Hygro-Thermometer

Radio Controlled Wall Clock Hygro-Thermometer with Super Large 4.3" ( 109mm) Digit Clock Display Receives Time Code from NIST Radio Station WWVB Automatically adjusts year, date, day, hour, minute, second, and DST Features : Receives Time Code from NIST Radio Station WWVB ( North American region) Large LCD displays Time, RH% , Temperature, Year, Month, Date, and Day Super large 4.3" ( 109mm) digit clock display can be viewed from 150 feet ( 45mm) Signal indicator displays signal strength in 3 levels to indicate successful synchronization Automatically adjusts for daylight savings time ( DST) Alarm Clock Built-in stand for desktop or wall-mount Complete with built-in stand and four AA batteries Specifications Range Basic Accuracy Relative Humidity 20 to 90% ± 6% RH Temperature 23 to 122° F ( -5 to 50° C) ± 2° F/ 1° C Alarm Clock Yes Dimensions 16.75 x 11.5 x 1.25" ( 425.4 x 292.1 x 31.75mm) Weight 2.75lbs ( 1.2kg)