Features： 1、Minimum Resolving Particle Size: Our dust sensor module has a minimum resolving particle size of 0.3um with realtime response. 2、Continuous Acquisition Support: The dust sensor module has a thin design with a thickness of only 12mm (0.5in), which supports continuous acquisition. 3、Laser Scattering Principle: This dust sensor module uses the laser scattering principle to achieve accurate detection. 4、Data Consistency: The laser dust sensor module has good data consistency and low error. Strong interference resistance. 5、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 Model Category: Digital sensor Sensor Category: Air quality sensor Error: ≤±10% Package List： 1 x Module 1 x Connecting Wire