Features: 

1. Indoor temperature and humidity

2. Wireless outdoor temperature and humidity
3. Barometric pressure

4. Dew point

5. Wind chill
6. Wind speed 
7. Wind direction
8. Weather forecast
9. Moon phase

10. Solar Powered outdoor transmitter

11. Rainfall data (inch or mm): 1 hour, 24 hours, week, month, and total 
12. Time, time/week and calendar Display. 
13. Time alarm 

14. Graph for hsitory record

15. Memory for over 5000 groups of data

16. PC interface to export data to computer

18. Color changing backlight based on diffrent temperature and humidity ranges
19. Low power indicator 
20. Wall hanging or free standing 

Specifications: 
1. Outdoor temperature range: -40℃ to + 60℃ 
2. Indoor temperature range: 0℃ to + 60℃ 
3. Temperature accuracy: ±1ºC 
4. Humidity range: 10% to 99% (1% resolution) 
5. Humidity accuracy: ±5% 
6.Barometric pressure range: 300 to 1100hpa, 
7.Barometric Accuracy: ±3hpa 
8. Rain volume display: 0 - 9999mm 
1) Resolution : 0.3mm (if rain volume < 1000mm) 
2) 1mm (if rain volume > 1000mm) 
9. Rain accuracy: < 15 mm: +/- 1 mm, 15 mm to 9999 mm: +/- 7% 
10. Wind speed accuracy: 2 m/s ~ 10 m/s (+/- 3 m/s), 10 m/s ~ 56 m/s (+/- 10%) 
11. Wind direction accuracy: 8 points 
12. Wind speed: 0~50m/s 
13. Transmission interval: 60s 

Power consumption: 
1) Receiver: 3 x AAA alkaline batteries or 5V/500mA power adaptor
2)  Transmitter: 3 x AA alkaline batteries

3) Power Adaptor: 5V/500mA
Battery life: Minimum 12 months for transmitter