Features: 1) Outdoor wireless sensor (range up to 100 meters) 2) Detailed display of rainfall data for 1 hour, 24 hours, week, month, and total since last reset (user selectable in inch or mm) 3) Indoor and outdoor temperature (F to C), and date with manual setting option 4) 12/24 hour mode, calendar 5) Zone setting, alarm, 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 ~ +60°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) Transmission range: up to 100 meters (330 feet) 7) Transmission frequency: 433MHz Material: Plastic Color: As shown Package Contents: 1 x Rain Gauge 1 x Receiver Note: Light reflection and different displays may cause the color of the item in the picture to vary slightly from the real thing. Measurement allowed error is +/- 1-3cm.