Features 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. 1 2、Battery powered. Low battery indicator on the receiver. Specifications Specifications: Color: Silver Material: ABS Application: for Indoor and Outdoor Use Indoor Temperature Range: 0~50℃ (32~122℉) Outdoor Temperature Range: -40~60℃ (-40~140℉) Temperature Accuracy: ±1.0℃ Humidity Range: 20%-90%RH Temperature Display Unit: ℃/ ℉ Selectable Humidity Accuracy: ±5% Wind Direction: E, S, W, N, SE, NE, SW, NW Wind Direction Accuracy: ±10º Wind Speed: 0~50m/s Accuracy: 0.1m/s Wind Speed Unit: m/s, km/h, mph, knots, bft Weather Forecast: Sunny, Overcast, Cloudy, Rainy, Snowy Time Format: 12H/ 24H Transmission 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 Battery Transmitter Size: 51 * 24cm / 20.1 * 9.5in Receiver Size: 12 * 6.5 * 2.5cm / 4.7 * 2.6 * 1.0in Package Size: 30 * 20 * 10cm / 11.8 * 7.9 * 3.9in Package Weight: 1200g / 2.65lbs Package List 1 * Wind Gauge Remote Sensor 1 * Receiver 1 * Pouch of Screw 1 * User Manual