Click to expand Tap to zoom PM2.5 Detector Sensor Module Optical Dust Sensor Air Conditioner Monitor by Elecfreaks Save HK$-30.00 HK$300.00 | / 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart PM 2.5 sensor is a professional, consistent, high accuracy sensor. This sensor can be accurate to a single unit of digits.
