Description Description: Material: The wireless sensor is made of pp material, is sturdy, and long service timeTransmission Range: The weather station sensor displays temperature and humidity, transmission range up to 60m in open areasFeatures: Temperature humidity sensor can be hung on the wall or placed on the desktop, good waterproof performance,, transmission frequency 433.92MHzHigh Performance: Professional manufacturing temperature humidity sensor, sturdy and stable performance, Powered by 2 x AA Batteries (Not included)Size: The weather station sensor size is 5 cm x 3.4 cm x 9.6 cm/1.97 inch x 1.34 inch x 3.78 inch Specification: Material: Pp Size Chart: 5 cm x 3.4 cm x 9.6 cm/1.97 inch x 1.34 inch x 3.78 inch Package Includes: 1xTemperature Humidity Sensor Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.