Projection Alarm Clock with Humidity, Indoor Temperature and Outdoor Temperature.

• All LaCrosse Technology instruments are designed to work with the WWVB signal in Fort Collins Colorado, and use Fahrenheit as the default temperature setting.
• Dimensions: 3.6" Height x 5.52" Width x 1.9" Depth
• Wireless outdoor temperature (Degrees Fahrenheit)
• Monitors indoor temperature (Degrees Fahrenheit)
• Monitors indoor humidity (Percentage RH)
• Projects time and outdoor temperature (alternating) on wall or ceiling in easy to read numbers
• Projection and arm rotate for proper viewing
• Automatic focus of projection
• Atomic time and date with manual setting
• Automatically updates for Daylight Saving Time (on/off option)
• Perpetual calendar
Time zone setting
• Time alarm with snooze
• AC power adapter included
• Indoor humidity range: 1 percent to 99 percent
• Wireless outdoor temperature range: -21.8 degrees Fahrenheit to 156.2 degrees Fahrenheit
• Indoor temperature range: 14 degrees Fahrenheit to 99.9 degrees Fahrenheit
• Projection arm rotates Up to 90 degrees
• Transmission range: Up to 80 Feet
• Transmission frequency: 433.92 MHz
• Projection alarm: 2 x AA Alkaline batteries or included AC power adapter (batteries not included)
• Wireless Sensor TX6U: 2 x AA Alkaline batteries (not included)
• Atomic clocks are accurate if able to pick up the low frequency radio signal from the U.S. Atomic Clock in Fort Collins, Colorado. Some buildings and terrain may block the signal. If you can use a cell phone in the room you plan to use the clock, you should be able to receive the signal and the correct time will be set automatically.