Extech Instrument Model CTH10 Radio Controlled Wall Mount Table Hydo-Thermometer Clock Pre-owned in great condition with minimal wear. The EXTECH CTH10 receives radio signal (WWVB) from the NIST U.S. Atomic Clock to maintain accuracy within 1 second (North America only). The EXTACH CTH10 wall-mountable or tabletop stand clock automatically adjusts year, date, hour, minute, second and DST. Dimensions: Width: 17" Height: 12". Sold individually. Features: The EXTECH CTH10 automatically adjusts year, date, hour, minute, second and DST Large LCD displays time, RH%, temperature, year, month, date, and day Large 4.3" digit clock display can be easily viewed from 150' Signal indicator displays signal strength in 3 levels to indicate successful synchronization Built-in stand for desktop or wall-mountable The EXTECH CTH10 comes completely operational with a built-in stand Please refer to the pictures & video. What you see is what you get.