Features:1) Rainfall data (inches or millimeters): 1-hour, 24-hour, and total2) Wind chill (° F or °C)3) Records min. and max. wind chill with time and date stamp4) Wind speed (mph, m/s, km/h, knots, Beaufort)5) Weather forecast tendency arrow6) Weather alarm modes for: a) Temperature b) Humidity c) Wind chill d) Dew point e) Rainfall f) Wind speed g) Air pressure h) Storm warning7) Forecast icons based on changing barometric pressure8) Barometric pressure (inHg or hPa) with 0.1hPa resolution9) Dew point (° F or °C)10) Records min. and max. dew point with time and date stamp11) Wireless outdoor and indoor humidity (% RH)12) Records min. and max. humidity with time and date stamp13) Wireless outdoor and indoor temperature (° F or °C)14) Records min. and max. temperature with time and date stamp15) Receive and displays the radio controlled time and date (WWVB, DCF version available)16) 12 or 24-hour time display17) Perpetual calendar18) Time zone setting19) Time alarm20) High light LED backlight21) Wall hanging or free standing22) Synchronized instant reception23) Low power consumption (over 2 years battery life for transmitter)Set includes:1) Receiver2) Three outdoor sensors: thermo-hydro transmitter, wind sensor and rain sensorSpecifications:1) Outdoor temperature range: -40.0°C to + 65.0°C (-40°F to +149°F)2) Indoor temperature range: 0°C to + 50.0°C (32°F to +122°F)3) Humidity range: 1% to 99% (1% resolution)4) Transmission range up to 100m (330 feet)5) Power consumption:a) Receiver: 3 x AA alkaline batteries (not included)b) Sensor WH1: 2 x AA alkaline batteries (not included)6) Transmission frequency: 868MH-zThe package includes:1) Receive2) Three outdoor sensors: thermometer and hygrometer transmitter, wind speed sensor and rain sensor