Wireless outdoor humidity range: 1% to 99% RH (+/-5% accuracy) with calibration
Wireless outdoor temperature range: -40.0°F to + 149°F (+/- 2°F accuracy)
Indoor temperature range: +32°F to + 140°F (+/- 2°F accuracy)
Transmission range: up to 300 feet open air (ideal conditions), 100 feet for most applications
Transmission frequency: 433MHz
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Compatible with the Ambient Weather WS-0101, WS-1171, WS-1172, and WS-1173 weather stations.
The WS-0100 and WS-0101 supports up to three remote channels.