WWS0232 Professional Wireless Anemometer 433MHz & Transmission range up to 100 meters Specification: Outdoor temperature range:-40¡æ to +60¡æ Indoor temperature: 0¡æ to +50¡æ Temperature accuracy:¡À1.0¡æ Humidity range: 20% to 90% Humidity accuracy:¡À5% Power consumption: Receiver: 2xAAA 1.5V Alkaline batteries Transmitter: 1.5V 2 x AA Alkaline batteries Battery life: 12months for base station Features: * Perpetual calendar. * 12 or 24 hour time display. * Wall hanging or free standing. * Time zone and Time alarm setting . * Weather forecast tendency arrow. * Low battery indicator on the receiver. * Weather alarm modes for temperature. * Wind chill and Dew point temperature display. * Indoor and outdoor relative humidity displays. * Wind speed in mph, km/h, m/s, knots, Bft or gust . * Synchronized instant reception for outdoor weather data. * Records Mix/Max indoor and outdoor temperature, humidity. * Wind direction (N¡¢S¡¢W¡¢E¡¢NE¡¢SE¡¢SW¡¢NW) display with LCD compass. * Weather forecast display by weather icons(sunny, Overcast, cloudy, rainy, snowy). * Radio controlled time and date with manual setting option(DCF, WWVB selectable) * Radio controlled time and date with manual setting option(DCF, WWVB selectable) * Indoor and outdoor temperature display in degrees Fahrenheit or celsius (user selectable). * The weather alarm can be set separately, any value can be set. The alarm signal lasts 2 minutes. * The Wind Gauge Remote Sensor can be mounted in 2 different ways:Horizontal Mount and Vertical /Upright Mount. * History record mode: In normal display mode, press [SET/HISTORY] to enter the history record mode. Users can check the history data records in past 20 hours, press [+] to view next history data record, press [-] to view previous history data record. In normal display mode, press [MODE] key and[SET/HISTORY] key together for 3 seconds to enter the factory regulation mode. In factory regulation mode, the accuracy of indoor/outdoor temperature, indoor/outdoor humidity and atmospheric pressure sensors can be adjusted. Package Includes: 1 x LCD Receiver Unit (NOT Include Battery) 1 x Remote Wind Gauge Sensor Unit 1 x Manual Screws Note: 1.Please note that batteries are not included!! 2.Please allow 1-2cm measuring deviation due to manual measurement. 3.Please install the receiver's batteries first, before installing batteries in the Wind Gauge Remote Sensor. 4.The AA 1.5V lithium batteries are recommended for outdoor sensor in cold weather climates less than -10¡ãC. 5.Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. 6.Though the Wind Gauge Remote Sensor is weather-resistant, it should never be submerged in water. If extreme weather conditions are likely to occur, temporarily move the transmitter to an indoor area for protection.