Features: 1Detection and Application Fields: Household appliances air conditioning HVAC hair dryer ventilation system smoke alarm or other dust monitoring equipment detection components. 2Microprocessor Intelligent Computing: Laser PM2.5 dust densor is microprocessor intelligent computing quick response and accurate data. 3Aluminum Alloy Housing: PM2.5 dust sensor has aluminum alloy housing protection anti seismic fall resistant and not easy to break. 4Reasonable Structure Design: PM2.5 laser dust particle sensor has compact structure light weight and embedded installation. 5Real Time Data: PM2.5 air particle dust sensor adopts active intake air flow structure and has real time data characteristics. Specification: Item Type: Laser Dust SensorMaterial:AluminiumAlloyWeight: Approx. 30g / 1.ozSignal Output: Unit: g/m3Output Serial Port: USARTPower Consumption: 50mA 10%Installation Method: Embedded InstallationDetection Accuracy: Above 1m Package List: 1 x Sensor