Wireless Weather Station with Outdoor Temperature

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 datewith 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: -40°C to 65°C 3) Indoor temperature range: -9.9°C to 60°C 4) Temperature accuracy 1.0°C 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)