Touch Advanced Weather Station Displays indoor/outdoor temperature and humidity with up to 3 channels- Displays 12-hour weather forecast with 24-hour historical barometer and barograph- Applies touch screen technology to toggle between settings and customize screen content- Easy setup: just add batteries to start- Atomic clock and calendar with crescendo alarm and 8-minute snooze- Backlight for easy viewing in low light conditions- Daily max. and min. temperature and humidity record- Ice alert- Low battery indicator Transmission range: 131 feet - Powered by 2xAA batteries (included)- Includes wireless external sensor (SL109H)