Davis 6382 Wireless Temperature/Humidity Station - more info check here: http://www.buymeasuringtools.com/Davis-6382-Wireless-Temperature-Humidity-Station-10019196/
Temperature and humidity sensors are inside a protective radiation shield that protects against solar radiation and other sources of radiated and reflected heat
Wireless transmitter and battery are inside a weather-resistant shelter
Updates every 2.5 seconds
Frequency-hopping spread spectrum radio for continuous data transmission
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