Digital LCD Atomic Desktop Clock, 7.8″ Screen with Time, Date, Temperature, Humidity, Alarm, Snooze, DST, Time Zone for Home, Office (No Backlight)

【Important Notes】 No backlight. Does not support AKST and HST time zones; be sure to turn off DST in regions that do not observe daylight saving time (such as most of Arizona). Atomic signal reception is typically strongest at night; the clock takes 7 minutes to search for the RCC signal, and other buttons will be unavailable during the search.
【Auto Synchronization of Time & Date with WWVB】This clock has a built-in receiver that automatically syncs time & date with the WWVB radio signal from Fort Collins, Colorado. Daily synchronization occurs between 1:00 AM–5:00 AM. Choose from 4 time zones: EST, PST, MST, or CST. Signal reception is stronger in central regions but may be weaker in coastal areas. For better reception in eastern/western cities, place near a window or in an open space. If the signal is weak, switch to manual adjustment mode
【Auto Daylight Saving Time】When DST is turned on, the time will automatically advance by one hour when daylight saving time begins. It is recommended that you check that daylight saving time is observed in your region before turning on DST