• Ambient Weather introduces the first low cost weather center with humidity calibration. The WS-1171 replaces the WS-1170. The WS-1171 allows you to adjust the sensor humidity to match the calibrated humidity. Order the Ambient Weather 33% (ASIN B0051FGSTG) or 75% (ASIN B0051FI5N8) calibration kits

• Ambient Weather introduces the first low cost weather center with humidity calibration. The WS-1171 replaces the WS-1170. The WS-1171 allows you to adjust the sensor humidity to match the calibrated humidity. Order the Ambient Weather 33% (ASIN B0051FGSTG) or 75% (ASIN B0051FI5N8) calibration kits (optional).
• The indoor console displays temperature (F or C) and humidity levels indoors and outside, and shows daily weather forecasts that help you dress for the weather. The main display receives temperature and humidity data from the included wireless remote sensor.
• The wireless sensor installs just about anywhere (up to 330 feet away) to report on conditions in the greenhouse, garage, wine cellar or baby's room, places where proper temperature and humidity levels are crucial. The weather station's main console displays a wide range of information in an easy-to-read format on a large LCD. The attractively thin console can be placed on a desktop or mounted to a wall.
• The unit monitors indoor and outdoor temperature and humidity, outdoor dew point, as well as barometric pressure (both sea-level and measured), and features a pressure history chart to track trends. The handy forecast icons let you know at a glance if it's going to be rainy, cloudy, or sunny based on barometric pressure trends.
• Equipped with an atomic clock, time is set automatically via radio and in synch with the U.S. atomic clock for utmost accuracy. The clock also features an alarm with snooze and temporary back light for nighttime viewing.

Product DescriptionFeatures:

• Wireless outdoor and indoor humidity (%RH)
• Outdoor humidity calibration
• Wireless outdoor and indoor temperature (°F or °C)
• 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
• Time alarm with snooze
• Includes one wireless remote sensor
• LED backlight (temporary)
• Wall hanging or free standing
• Low battery indicator
• Synchronized instant reception (SIR)

Specifications:

• Wireless outdoor humidity range: 1% to 99% RH ( /-5% accuracy) with calibration
• Indoor humidity range: 1% to 99% RH ( /-5% accuracy)
• Wireless outdoor temperature range: -40.0°C to 65°C ( /- 1°C accuracy)
• Indoor temperature range: 0°C to 60°C ( /- 1°C 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