Night Light Atomic Clock, Battery Operated Digital Clock Accurate & Easy Atomic Clock - After selecting a time zone, ZGRMBO ZG35 digital clock retrieves the WWVB time calibration signal sent by NIST and automatically sets the clock time while ensuring accurate time to the second. Auto-Dimming - ZGRMBO smart night light digital alarm clock features a built-in ambient light sensor. When it is in darkness, it triggers a soft nightlight to illuminate the display automatically. Long press the top of the clock to turn on/off the auto-dimming mode, or short press the top of the clock to manually light up the clock display. An Alarm Clock with Snooze - ZGRMBO digital alarm clock beeps gradually faster for 120 seconds. You can also set a snooze of 5-60 minutes. Buy The Most Valuable Clock for The Least Money - There is an indoor temperature gauge and an indoor humidity monitor in this digital alarm clock, temperature range is 14℉ to 122℉, humidity range is 20%RH to 95%RH, allows you keep an eye on indoor temperature conditions. It is a HD LCD display cordless battery alarm clock powered by 2 AAA batteries (not supplied) with large clear display (2.5 inch time digits), smart night light, 12/24H format, room temperature and humidity, etc., which is easy to use for children, teenagers, adults, and is a basic gift alarm clock for bedroom bedside table.