WS1281 TESA Wireless Weather Station take up to 3 Sensors

WS1281 TESA Weather Pro Wireless Weather Station
Tesa Weather Pro WS1281 Wireless Temperature Station provides Outdoor and Indoor Temperature and Humidity.  The outdoor sensor transmits on the 433Mhz frequency at distances up to 100mtrs while the base station has built in sensors for indoor data.  A great value-for-money appliance for those seeking a reliable, professional weather station for office or home.  

WS1281 - User Manuals

Features:

• Indoor humidity (%RH)
• Wireless outdoor and indoor temperature (F or C)
• Records min. and max. humidity
• Records min. and max. temperature
• Forecast icons based on changing barometric pressure
• Barometric pressure tendency arrow
• Time zone setting
• Time and date with manual setting option
• 12 or 24-hour time display
• Perpetual calendar
• Time alarm
• Can receive up to 3 sensors
• LED backlight
• Wall hanging or free standing
• Included transmitter WH3
• Synchronized instant reception
• Low power consumption (over 2 years of battery life for remote sensor)

Specifications:

• Indoor humidity range: 20% to 99%
• Wireless outdoor temperature range: -40C to 65C
• Indoor temperature range: -9.9C to 60C
• Temperature accuracy 1.0C
• Transmission range: up to 100m (300 feet)
• Transmission frequency: 433MHz

Power requirements:

• Receiver: 2 x AA alkaline batteries (not included)
• Wireless sensor: 2 x AAA alkaline batteries (not included)

Parts
WH3 Outdoor Transmitter