Perfect for desk or bedside table, this Wireless Weather Projection Station projects the time or outdoor temperature onto the ceiling of a darkened room with a soft red light. The atomic clock updates automatically via radio signals from Fort Collins, Colorado and maintains accuracy to within one second of official U.S. government time. Includes one TX7U wireless remote temperature sensor, is backlit for easy night viewing and has dual crescendo alarms with an adjustable snooze function. 24 forecast icons, based on temperature and air pressure readings, suggest what kind of weather to expect Projection displays time and/or outdoor temperature Barometric pressure and min/max temperature history Indoor and outdoor temperature and humidity Indoor comfort level icon Receiver uses 3 AA batteries; sensor uses 2 AA batteries, not included Receiver is 4-3/8" x 6-5/8" x 3" Sensor is 6-1/4" x 1-3/4" x 1" Run on battery power or with the included AC adapter Remote sensor has a range of 330 feet (unobstructed) Outside temperature range -21.8° to 157.8° degrees F Barometric pressure tendency arrow Forecast icon based on changing barometric pressure Wireless outdoor and indoor humidity (%RH) Records min and max humidity Wireless outdoor and indoor temperature (F or C) Records min and max temperature with time & date stamp Adjustable projection brightness and location Atomic time and date 12 or 24 hour display Perpetual calendar display Automatically updates for Daylight Saving Time