Monitor indoor and outdoor conditions, including wind speed, wind direction, rainfall, UV, solar radiation, barometric pressure, indoor/outdoor temperature (F and C), indoor/outdoor humidity, dew point, heat index, wind chill and more. TESA's newest professional Wifi weather station allows you to monitor your home and backyard weather conditions with the brilliant, easytoread LCD colour display. The enhanced WiFi connectable option lets your station transmit its data wirelessly to the world's largest personal weather station network, Weather Underground and view data on your mobile device. Features: Colour film LCD base station touch keys Builtin Wifi module Auto uploading data to the net server Time and date update from the server Auto DST Calendar (Month/date, 20002099) Time (hour/minute) In/Outdoor Temperature/Humidity in C/F In/Outdoor Temperature/Humidity Trend Display wind, gust and wind direction Wireless Wind and Wind direction with the 1degree resolution, accuracy: +/12degrees Wind speed in ms, km/h, mph, knots and bft (accuracy: =10m/s: 10%) Wireless Rainfall Rainfall in inch, mm (accuracy: +/10%) Display rainfall in rate, event, day, week, month and total. Alerts for indoor and outdoor temperature & humidity Alerts for rain rate and rain day. Alerts for wind speed. Weather forecast: Sunny, Partly Sunny, Cloudy, Rainy, Stormy and Snowy Pressure display with hPa, mmHg or inhg unit. The heat index, wind chill and dew point for outdoor High/Low records for indoor/outdoor temperature/humidity Max/Min data records. High/Mid/Off backlight controlled. User accuracy calibration supported. Automatically save userset parameters (unit, calibration data, alarm data..) into Eeprom. When the DC power adapter is connected, the backlight is on permanently. When batteryoperated, the backlight is turned on only when the button is pressed, and the auto timeout is 15s. Specification: Outdoor data Temperature range:40~+60°C Resolution:0.1°C Measuring range rel. humidity:10%~99% Accuracy : +/ 5% Rain volume display: 0 – 9999.9mm Resolution:0.3mm (if rain volume 1000mm) Wind speed:050m/s (0~100mph) Accuracy:+/ 1m/s (wind speed 5m/s) Wind direction: 0 to 359 degree Light: 0400k Lux Accuracy : +/15% Measuring interval outdoor sensor: 16 sec Indoor data Indoor temperature range:10°C60°C Measuring range rel. humidity: 10%~99% Measuring interval indoor sensor: 60 sec Power: Base station: 5V 0.5A DC adaptor (included) Or 3Xaaa 1.5V LR6 Alkaline batteries(not included) Remote sensor: 2 x AA 1.5V Alkaline batteries (not included)