Specification Sheet

System
Requirements
Network router with an available Ethernet port, Internet connection
Power
5V power adapter (included); 3 AA alkaline batteries (for backup, not
included)
Dimensions
2.8-inch Diameter x 4.5-inch Height
PRO+ 5-in-1 Weather Sensor Specifications
Temperature Range
-40 to 158 degrees Fahrenheit; -40 to 70 degrees Celsius
Temperature
Accuracy
+/- 2 degrees Fahrenheit
Humidity Range
1% to 99% Relative Humidity
Humidity Accuracy
+/- 5% from 1% to 10% Relative Humidity
+/- 4% from 10% to 20% Relative Humidity
+/- 3% from 20% to 80% Relative Humidity
+/- 4% from 80% to 90% Relative Humidity
+/- 5% from 90% to 100% Relative Humidity
Wind Speed
0 to 99 mph; 0 to 159 kph
Wind Speed
Accuracy
+/-2 mph below 10 mph
+/- 3 mph from 10 to 30 mph
+/- 4 mph from 30 to 50 mph
+/- 5 mph from 50 to 99 mph
Wind Direction
Indicators
16 points
Rainfall Capacity
0.01 inches (0.25 mm) and up
Rain Gauge Accuracy
+/- 0.05" per inch of rainfall
Wireless Range
330 feet / 100 meters depending on home construction materials
Wireless Signal
433 MHz
Power
4 AA alkaline or lithium* batteries
*Lithium batteries recommended for temperatures below -4 degrees
Fahrenheit / -20 degrees Celsius
Data Reporting
Wind Speed: 18 second updates
Wind Direction: 36 second updates
Temperature and Humidity: 36 second updates