Ambient Weather WS-1173 Wireless Advanced Weather Station with Temperature, Dew Point and Barometer

Features:
Wireless outdoor and indoor humidity (%RH)
Wireless outdoor and indoor temperature (°F only)
Records min. and max temperature and humidity with Date and Time
Barometric pressure 24-hour history graph (in Hg or hPa)
Forecast Icon Based on Changing Barometric Pressure
Radio controlled time and date (WWVB & Dcf)
Automatically updates for daylight saving time (on / off option)
12 or 24-hour time display
Perpetual calendar
Sunrise, sunset based on location
Moonphase based on calendar date
Time alarm with snooze
Includes one wireless remote sensor
LED backlight (temporary)
Wall hanging or free standing
Low battery indicator
Synchronized instant reception (SIR)
Temperature and humidity calibration
Specifications:
Wireless outdoor humidity range: 1% to 99% RH (+/-5% accuracy)
Indoor humidity range: 1% to 99% RH (+/-5% accuracy)
Wireless outdoor temperature range: -40.0°F to + 149°F (+/- 2°F accuracy)
Indoor temperature range: +32°F to + 140°F (+/- 2°F accuracy)
Transmission range: up to 330 feet (line of sight)
Transmission frequency: 433MHz
Power Requirements:
Receiver: 3 "AA" batteries (not included)
Wireless sensor: 2 "AAA" batteries (not included)
Dimension (LxWxH):
Receiver: 7.25 x 4 x 1.25 in
Sensor: 3.5 x 2.75 x 1.25 in
Included:
User Manual
Updated User Manual available online