Weather Station 2 Wireless Sensors, DCF Radio Controlled Clock Thermometer Alarm, Indoor Outdoor Humidity Temperature Weather Forecast Barometer Air Presure range: 800~1100MB Frequency Transmission: 433MH 3 RF Channel: CH1, CH2, & CH3 5 State Weather Forecast: Sunny, semi-sunny, cloudy, rainy, cloudburst Temperature Unit: C/F selectable