433MHz with RCC transmission range up to 100meter

Features:

1) Detail display of rainfall data in 1hour, 24hour, week, month
    and total since last reset(user selectable in inch or mm) 
2) Indoor temperature (°F to °F)
3) Radio controlled time and date with manual setting option 
4) 12 /24 hour time mode  
5) Calendar 
6) Time zone setting 
7)Time alarm    
8) Free standing

Specifications:

1) Rainfall display range: 0 to 19,999mm
2) Outdoor temperature range: -40 ~ +65°C (-40°F to +149°F)
3) Indoor temperature range: -9.9 ~ +80°C (-15.8°F to +176°F)
4) Temperature accuracy: ±1.0°C
5) Power requirements: 
  a) Receiver: 2 x "AA" alkaline batteries (not included)
  b) Rain gauge: 2 x "AAA" alkaline batteries (not included)
6) Battery life: Minimum 12 months for base station
                         Minimum 24 months for remote sensor
7)Transmission range: up to 100meters( 330feet)
8) Transmission frequency: 433MHz