[PRECISE TIMEKEEPING]: Equipped with atomic synchronization, this digital desk clock automatically aligns with the Colorado WWVB radio signals for exact time and date. It ensures ultimate precision down to the second with daily updates. Choose from 4 time zones: PST, MST, CST, EST to match your location. [ENHANCED ALARM FEATURES]: This atomic alarm clock comes with a convenient snooze function to catch those extra minutes of sleep. The alarm status is prominently displayed, allowing for easy verification. To deactivate snooze, simply press any button except the SNZ/LG. [ILLUMINATED DISPLAY]: The clock features a backlight that can be activated by pressing the SNZ/LG button, illuminating the screen for 10 seconds for easy nighttime viewing. This feature is battery-efficient, powered by 3xAAA batteries (Not included). [EASY TIME ZONE SETUP]: Post-reception of the RCC signal indicated by a flashing waveform icon, setting your local time zone is straightforward. Press the 'UP' button to cycle through and select the appropriate time zone, enhancing the clock's utility and user-friendliness. [OPTIMAL SIGNAL RECEPTION]: For uninterrupted service, ensure the clock's signal transmitter and receiver are not obstructed. This precaution helps maintain the accuracy of the radio wave signal reception, keeping your clock precise at all times. Color: Black Material: ABS Package Contents: 1 x Alarm clock