Description: Display Indoor and outdoor relative humidity, wind chill and dew point temperature, 12 or 24 hour time display. Records Mix/Max indoor and outdoor temperature, humidity. Designed with weather forecast tendency arrow, perpetual calendar, time zone and time alarm setting and Weather alarm modes for temperature. Temperature display in degrees Fahrenheit or celsius. Can be horizontal mounted or vertical mounted. Radio controlled time and date with manual setting option(DCF, WWVB selectable), synchronized instant reception for outdoor weather data. Wind direction (N, S, W, E, NE, SE, SW, NW) display with LCD compass and wind speed in mph, km/h, m/s, knots, Bft or gust. Also, weather forecast display by weather icons(sunny, Overcast, cloudy, rainy, snowy). Specification: Outdoor temperature range:-40℃ to +60℃ Indoor temperature: 0℃ to +50℃ Temperature accuracy:±1.0℃ Humidity range: 20% to 90% Humidity accuracy:±5% Power consumption: Receiver: 2xAAA 1.5V Alkaline batteries Transmitter: 1.5V 2 x AA Alkaline batteries Battery life: 12 months for base station Size Chart: Size(Approx.): 140mm x84mm x25mm/ 5.5x3.3x0.98inch Package Includes: 1 Piece LCD Receiver Unit (NOT Include Battery) 1 Piece Remote Wind Gauge Sensor Unit 1 Piece Manual 1 Piece Wind Meter Telemetry Sensor Installation Hardware Note: Please allow 1-3cm error due to manual measurement, pls make sure you do not mind before you bid Due to the difference between different monitors, the picture may not reflect the actual color of the item, pls understand, thank you