6539624039841792Elecfreaks Octopus Dust Sensor Detector Module Octopus Dust Sensor Detector Module is used to detect the density of dust particle with diameter beyond 0.8μm such as cigarette smoke. Product #: businesspro-Elecfreaks Octopus Dust Sensor Detector Module https://www.businesspro.store/i/XO8Df3AAA 2024-05-31 Regular price: $HKD$178.0 Available from: Businesspro MallIn stock