New Wireless Anemometer WS2032 Professional 433 MHz And Transmission Up to 100 M Ear: 12x8 cm or 4.7x3 inches Indoor and outdoor relative humidity, wind coolness and dew point temperature, 12 or 24 hour time display Saves Mix or Max indoor and outdoor temperature, humidity Designed with weather forecast trend arrow, perpetual calendar, time zone and time alarm setting, and weather alarm modes for temperature Temperature display in Fahrenheit or Celsius Can be mounted horizontally or vertically Radio controlled time and date with manual setting option (DCF, WWVB selectable), synchronized instantaneous outdoor weather data reception Wind direction (N, S, W, E, NE, SE, SW, NW) display with LCD compass and wind speed in mph, km/h, m or s, nodes, Bft or gusts In addition, the weather forecast is displayed using weather icons (sunny, cloudy, cloudy, rainy, snowy) - Inner mesh panties External temperature range: -40 to 60 Internal temperature: 0 to 50 Temperature accuracy: u00B1 1,0 Humidity range: 20 percent to 90 percent Humidity accuracy: u00B1 5 percent Energy consumption: Receiver: 2xAAA 1,5V alkaline batteries Transmitter: 1,5V 2 AAAA alkaline batteries Battery life: 12 months for base station Size Chart: Size (Approximate): 140mm x 84mm x 25mm or 5.5x3.3x0.98 inch The package includes: 1 piece LCD receiver (not including battery) 1 pc. Remote unit of wind meter sensor 1 piece instruction 1 piece Wind meter telemetry sensor installation equipment