1、【Reliable Atomic Clocks】: Ensures exact time accuracy by syncing with the atomic clock via radio signals. 2、【Whisper-Quiet Movement】: Silent sweep second hand ensures a peaceful environment, making it perfect for quiet spaces like bedrooms or offices. 3、【Clear and Easy-to-Read Display】: All large and black numbers against the white clock face. So it's very easy to see. 4、【Easily to Set】: The time zone can be easily set with the switch. (There are 4 options available: PT-Pacific, MT-Mountain, CT-Central, ET-Eastern). Additionally, the daylight saving time can be manually set for added convenience. 5、【Operation Feature】: Easy operation with 1 AA alkaline battery (not included). 1、【Reliable Atomic Clocks】: Ensures exact time accuracy by syncing with the atomic clock via radio signals. 2、【Whisper-Quiet Movement】: Silent sweep second hand ensures a peaceful environment, making it perfect for quiet spaces like bedrooms or offices. 3、【Clear and Easy-to-Read Display】: All large and black numbers against the white clock face. So it's very easy to see. 4、【Easily to Set】: The time zone can be easily set with the switch. (There are 4 options available: PT-Pacific, MT-Mountain, CT-Central, ET-Eastern). Additionally, the daylight saving time can be manually set for added convenience. 5、【Operation Feature】: Easy operation with 1 AA alkaline battery (not included).