Specifications:
1. Transmission distance in open field: 100m(330 feet)
2. Frequency: 433MHz/868MHz (option)/915 MHz (option)
3. Temperature range: -30C~60C(-22F~ +149F)
4. Measuring range rel. humidity: 1%~99%
5. Rain volume display: 0~9999mm (show — if outside range)
6. Accuracy: +/-10%
7. Resolution: 0.3mm (if rain volume < 1000mm); 1mm (if rain volume > 1000mm)
8. Wind speed: 0-50m/s (0~100mph) (show — if outside range)
9. Light: 0-400k Lux
10. Power consumption:
11. Base station: 5V DC adaptor (included)
12. Indoor sensor: 2xAAA alkaline batteries (not included)
13. Remote sensor: 3xAA rechargeable batteries (included)