This product has been discontinued. Replaced by CTH10A - Digital Clock/Hygro-Thermometer.
Extech CTH10

CTH10: Radio-Controlled Wall Clock Hygro-Thermometer

Super Large 4.3" (109mm) Digit Clock Display

The CTH10 is a Radio-Controlled Wall Clock Hygro-Thermometer. Receives Time Code from NIST Radio Station WWVB (North American region) and automatically adjusts year, date, day, hour, minute, second, and DST. A large LCD displays time, RH percent, temperature, year, month, date, and day. Comes with four AA batteries and user guide.