Digital Wireless Weather Meter Small Weather Station 433MHz Wireless Anemometer DESCRIPTION Features: *Indoor and outdoor temperature display in degrees Fahrenheit or celsius (user selectable).Indoor and outdoor high/low temperature alarm setting is available. *Indoor and outdoor relative humidity displays. Indoor and outdoor high/low humidity alarm setting is available. * in for mph, km/h, m/s, knots, B ft .Average and gusts display. *High alarm setting: *Users can adjust high alarm setting in this mode, press [SET/HISTORY] to allow or forbid high alarm. Press [+] to increase the alarm value of high , press [-] to decrease the alarm value of high . Press [+] to increase the alarm value rapidly, press [-] to decrease the alarm value rapidly. *Wind direction (N,S,W,E,NE,SE,SW,NW) display with LCD for compass. *Wind direction alarm setting: *Users can adjust the wind direction setting in this mode. Press[SET/HISTORY] to allow or forbid wind direction alarm. Press [+] or [-] to adjust the wind direction of the alarm. *Wind chill and Dew point temperature display in degrees Fahrenheit or celsius (user selectable) *Weather alarm modes for temperature. *Daylight saving time is adjusted automatically (The daylight saving time is adjusted on the basis of different time zone). *12 or 24 hour time display. *Wireless 433 MHZ receiving. Available distance: 328 ft in open field.While receiving RF, press any key to quit. *Perpetual calendar. *Time zone and Time alarm setting.The time zone can be set from-12 to +12(user setting). *Wall hanging or standing. *Synchronized for instant reception for outdoor weather data. *Low battery indicator on the receiver. *The Wind Gauge Remote Sensor can be mounted in 2 different ways: Horizontal Mount and Vertical /Upright Mount. *Press "HISTORY" Button once to view maximum temperature, humidity, and readings. Press again to viewminimum readings. Press again to return to current readings. While the min or max reading is displayed, press and hold to clear the min or max memory.In addition, the time of recorded data can be displayed as well. *History record mode *In normal display mode, press [SET/HISTORY] to enter the history record mode. In this 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. *The weather alarm can be set separately, any value can be set. The alarm signal lasts 2 minutes. Specification: Indoor temperature: 32 to 122 (0 to 50) Outdoor temperature range: Alkaline batteries: -4 to 140 (-20 to 60) Lithium batteries: -40 to 140 (-40 to 60) Temperature accuracy:±1.0 Humidity range: 20% to 90% Humidity accuracy:±5% Wind direction:E,S,W,N,SE,NE,SW,NW Wind direction accuracy:+/-10? :0~50m/s,Accuracy:0.1m/s unit:m/s,km/h, for mph,knots, Receiver: Alkaline battery: 2ps AAA 1.5V (Not include) Wind Gauge Remote Sensor: Alkaline battery: 2pcs AA 1.5V or AA lithium battery(Not include) Battery life: 12 months (Approx.) Station dimension: 20.5" height x 9" diameter Receiver dimensions: 4.9" height x 2.7" width Display dimension: 2.36" height x 1.77" width Packing list: 1*receiver 1*sensor 1*Installation accessories set. Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data.