Davis Temperature/Humidity Sensor w/24-Hour Fan Aspirated Radiation Shield 
Temperature/Humidity Sensor with 24-Hour Fan Aspirated Radiation Shield
Features both temperature and humidity sensors inside the 24-hour fan-aspirated radiation shield, which protects the sensors from solar radiation and other sources of radiated and reflected heat.
This model includes a solar panel to power the motor-driven fan. Includes hardware for mounting on a fence post or pole and 25' (7,6M) cable.
- 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
Quick Guide (pdf)
Owner's Manual (pdf)