Feature:1. 433MHz Wireless Transmission: the weather station receives signal from external sensor, up to 328ft transmission distance in open area.2. Alerts: the weather alarm can be set separately, any value can be set. The alarm signal lasts 2 minutes.3. Dual Installation of Wind Gauge Remote Sensor: wall hanging or free standing.4. 5 Kinds of Weather Forecast: sunny, overcast, cloudy, rainy, snowy.5. Temperature \u0026 Humidity: it displays indoor and outdoor temperature/ humidity. C/F unit switchable.6. Wind speed in mph, km/h, m/s, knots, bft or gust.7. Wind direction (E, S, W, N, SE, NE, SW, NW) display with LCD compass.8. Radio controlled time and date with manual setting option (DCF, WWVB selectable).9. Wind chill and Dew point temperature display.10. Check/ Clear Records: you can view or clear the maximum or minimum temperature/ humidity/ wind speed in the past 20 hours.11. Time \u0026 Calendar: perpetual calendar, time in optional 12/24 hour format.12. Battery powered. Low battery indicator on the receiver.Specification:Specifications:Color: SilverMaterial: ABSApplication: for Indoor and Outdoor UseIndoor Temperature Range: 0~50 (32~122)Outdoor Temperature Range: -40~60 (-40~140)Temperature Accuracy: 1.0Humidity Range: 20%-90%RHTemperature Display Unit: / SelectableHumidity Accuracy: 5%Wind Direction: E, S, W, N, SE, NE, SW, NWWind Direction Accuracy: 10Wind Speed: 0~50m/sAccuracy: 0.1m/sWind Speed Unit: m/s, km/h, mph, knots, bftWeather Forecast: Sunny, Overcast, Cloudy, Rainy, SnowyTime Format: 12H/ 24HTransmission Range: 433MHz, about 100m/ 328ft (Open Distance)Power Supply (Batteries not included): Receiver: 2 * 1.5V 3A Battery; Transmitter: 2 * 1.5V AA Battery or AA BatteryTransmitter Size: 51 * 24cm / 20.1 * 9.5inReceiver Size: 12 * 6.5 * 2.5cm / 4.7 * 2.6 * 1.0inPackage Size: 30 * 20 * 10cm / 11.8 * 7.9 * 3.9inPackage Weight: 1200g / 2.65lbs.Package List:1 * Wind Gauge Remote Sensor1 * Receiver1 * Pouch of Screw1 * User ManualNote:1. Please install the receiver's batteries first, before installing batteries in the Wind Gauge Remote Sensor.2. We suggest to use AA 1.5V lithium batteries for outdoor sensor in cold weather climates less than -10C.3. 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.4. Size and color may be slightly different because of manual measurement and different lighting conditions. Thanks for understanding.