Monitor temperature, humidity, airflow, and audio through integrated sensors on the sensor pod and connect up to 4 external sensors for additional monitoring. Add up to 17 pods to a NetBotz 500 appliance and up to 4 to a NetBotz 420 appliance.Interfaces/PortsInterfaces: USBEnvironmental ConditionsHumidity: 10 to 90% Relative Humidity Operating, 10 to 90% Relative Humidity StorageAltitude: 0 ft to 14763.78 ft Operating, 0 ft to 14763.78 ft StoragePhysical CharacteristicsColor: BlackHeight: 4"Width: 12.5"Depth: 6.5"Weight (Approximate): 6.35 ozMiscellaneousPackage Contents: NetBotz Sensor PodCable Mounting KitInstallation GuideUSB cableWall Mounting BracketsCertifications & Standards: CEFCC Part 15 Class AUL ListedVCCIWarrantyLimited Warranty: 2 YearParts Warranty/Labor: 2 Year Parts & Labor