Features both temperature and humidity sensors inside a protective housing. Ideal for indoor use. We recommend using an AC-Powered Wireless Sensor Transmitter. Can also be used in an EnviroMonitor system, or with a Solar-Powered Wireless Sensor Transmitter. 
Includes mounting hardware, and 25 ft. (7,6 m) cable

Documentation:
Temperature/Humidity Sensor Insert Instruction Manual
Temperature/ Humidity Sensor Spec Sheet