Specifications:<br> 1) Rainfall display range: 0 to 19,999mm<br> 2) Outdoor temperature range: -40 ~ +65C (-40F to +149F)<br> 3) Indoor temperature range: -9.9 ~ +60C (-15.8F to +176F)<br> 4) Temperature accuracy: 1.0C<br> 5) Power requirements:<br> a) Receiver: 2 x "AA" alkaline batteries (not included)<br> b) Rain gauge: 2 x "AAA" alkaline batteries (not included)<br> 6)Transmission range: up to 100meters( 330feet)<br> 7) Transmission frequency: 433MHz<br> <br> Features:<br> 1).outdoor wireless sensor (range up to 100 meter)<br> 2) Detail display of rainfall data in 1hour, 24hour, week, month<br> and total since last reset(user selectable in inch or mm)<br> 3) Indoor and outdoor temperature (F to C)<br> 4) Time and date with manual setting option<br> 5) 12 /24 hour time mode<br> 6) Calendar<br> 7) Time zone setting<br> 8) Time alarm<br> 9) Free standing<br> <br> Package included:<br> 1 x Rain Gauge<br> 1 x Receiver<br> 1 x User Manual<br> 2 Pieces of Screws