Ambient Weather WS-8400-X2 Projection Clock with Barometer, Indoor/Outdoor Temperature Color Changing Display and Two Remote Sensors The colorful WS-8400 wireless weather station featuring Ambient backlighting and projection time and temperature is easy to read from any distance. The backlight color changes with the temperature. Monitor two different remote locations at the same time! The wireless sensors install just about anywhere (up to 150 feet away) to report on conditions in the greenhouse, garage, wine cellar or baby's room. The elegant display features date and time, indoor and outdoor temperature, barometric pressure, daily highs and lows, historical data over 72 hours, and a detailed barograph for viewing trends. The WS-8400-X2 includes two TX-8300 Wireless Sensor wireless for measuring outdoor temperature, or wherever temperature is important, and supports up to 3 remote sensors. The dual alarm clock features a bright backlit screen with time, month / date, day of week indoor temperature, outdoor temperature, an alarm clock and snooze button.