1. Automatically calibrate time or indoor temperature or outdoor temperature or indoor humidity or outdoor humidity or wind speed or wind direction weather forecast display calendar or alarm clock 2. RF 433mhz wireless weather station clock WS0232 with wind speed and direction sensor, professional wireless anemometer 433MHz, transmission range up to 100 meters 3. Radio time and date with manual setting options (DCF, WWVB optional) 4. Record the mixed or maximum indoor and outdoor temperature and humidity. Wind direction (N, S, W, E, NE, SE, SW, NW) is displayed with LCD compass. The weather forecast is displayed by weather icons (sunny, cloudy, cloudy, rainy, ). 5. calendar, 12 or 24-hour time display, wall-mounted or , time zone and time alarm settings, weather forecast trend arrows, low battery indicator on the receiver, weather alarm mode for temperature, air cooling and dew point Temperature display, indoor and outdoor relative humidity display Indoor humidity: 20percent -99percent Outdoor humidity: 20percent -99percent Dimensions (height x width x depth): 66x120x22 mm Wind speed range: 0-50m or s Product weight: 0.42 kg Information update: 48 seconds Indoor temperature: 0 Celsius-60 Celsius Outdoor temperature: -40Celsius - 60 Celsius Temperature accuracy: 1.0 Celsius. Transmitter: 2xAA 1.5V alkaline batteries(Does not contain) Use environment: home villa or agriculture and animal husbandry or breeding industry or meteorological teaching Function: temperature or humidity or calendar or alarm Colour:gray Material:ABS Size:140 x 84 x 25mm Package Contents: 1 x anemometer sensor 1 x receiver Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.