Full Colour LCD Animated Display - Displays Temp, Humidity, Heat Index & Dew Point Levels in Multi-Color Bar Graph Format - Color Weather Forecast Display: Sunny, Partial Sunny, Cloudy, Rainy, Stormy - Indoor & 3-Channel Outdoor Temperature & Humidity Measurement - Digital Barometric Pressure/Trend Indicator/Altitude Compensation - Wireless Remote Thermo-Hygrometer Sensor Included - Auto Set Atomic Clock, 12/24 hour - Daily Alarm & Calendar Display - RF Transmission Range: 75 Meters - 6.0 V AC-DC Adaptor (included) - Battery Back-up, 3 AAA (not included)