This Josephs Atomic Digital Wall Clock displays time, calendar, with the current room temperature and humidity. The clock self-sets to the most accurate time or switch atomic time off (out of WWVB range) and manually set to your current local time. Adjustable display in English or Spanish and viewable in Fahrenheit or Celsius. Monitors indoor humidity with HIGH/LOW records and features a time alarm with 10-minute snooze. Optional to hang onto wall or table stand. Requires 2 AA (not included) alkaline batteries to operate.