TESA Weather Pro WS1150 Includes the following items:
- Base Unit
- Outdoor temperature transmitter WH2

Feature and Specification
1) Transmits indoor/outdoor temperature (°F or °C) and indoor/outdoor humidity (%RH)
2) Records min/max temperatures and humidity
3) Barometric pressure 24-hour history graph (in Hg or hPa)
4) Barometric pressure tendency arrow
5) Forecast icons based on changing barometric pressure
6) Time and date with manual setting 12 or 24 hours time display
7) Automatically updates for daylight saving time (on / off option)
8) Time alarm with snooze
9) Wall hanging or free standing

Specifications:
1) Wireless outdoor humidity range: 20% to 99% (+/-5% under 0 to 45 °C)
2) Indoor humidity range: 1% to 99% (1% resolution)
3) Wireless outdoor temperature range: -40.0°C to 65°C (-40°F to +149°F)
4) Indoor temperature range: 0°C to 50 °C (32°F to +122°F)
5) Temperature accuracy: +/- 1.0°C
6) Transmission range: up to 100m (330 feet)
7) Transmission frequency: 433MHz

Power requirements:
1) Receiver: 3 x AA alkaline batteries (not included)
2) Wireless sensor: 2 x AAA alkaline batteries (not included)