Wireless Temp Humidity Station

Features:
1) Indoor humidity (%RH)
2) Wireless outdoor and indoor temperature (F or C)
3) Records min. and max. humidity
4) Records min. and max. temperature
5) Forecast icons based on changing barometric pressure
6) Barometric pressure tendency arrow
7) Time zone setting
8) time and date with manual setting option
9) 12 or 24-hour time display
10) Perpetual calendar
11) Time alarm
12) Can receive up to 3 sensors
13) LED backlight
14) Wall hanging or free standing
15) Included transmitter WH3
16) Synchronized instant reception
17) Low power consumption (over 2 years of battery life for remote sensor)

Specifications:
1) Indoor humidity range: 20% to 99%
2) Wireless outdoor temperature range: -40C to 65C
3) Indoor temperature range: -9.9C to 60C
4) Temperature accuracy 1.0C
5) Transmission range: up to 100m (300 feet)
6) Transmission frequency: 433MHz

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