Features Minimum Resolving Particle Size --- Our dust sensor module has a minimum resolving particle size of 0.3um with realtime response. Continuous Acquisition Support --- The dust sensor module has a thin design with a thickness of only 12mm (0.5in), which supports continuous acquisition. Laser Scattering Principle --- This dust sensor module uses the laser scattering principle to achieve accurate detection. Data Consistency --- The laser dust sensor module has good data consistency and low error. Strong interference resistance. Independent Channel Design --- This laser dust sensor module adopts independent channel design and shaft flowing even speed fan. Specification: Item Type: PM2.5 Laser Dust Sensor Module Model: PMS9103M Material: Stainless steel, PCB Use: Purifier, air purification device, detector Basic Parameters Working Current: 0.1A Working Voltage: 5V Model Category: Digital sensor Sensor Category: Air quality sensor Error: ≤±10% Package List:1 x Module 1 x Connecting Wire Package List 1 x Module 1 x Connecting Wire