professional weather station with solar transmitter and PC interface weather forecast humidity windspeed winddirection professional weather station with solar transmitter and PC interface Specification:1. Indoor temperature range:0°C to +50°C 2. Outdoor temperature range:-40°C to 65°C 3. Temperature accuracy:+/-1.0°C 4. Humidity range:1%RH-99% 5. Humidity accuracy:+/- 5% under -20°C TO 65°C& 20%- ...