5179847326040064 Businesspro Mall Elecfreaks Octopus PIR Motion Sensor OCTOPUS PIR Sensor module is a type of electronic building block based on AM412 pyroelectric digital smart sensor. It can be used in sensing and detection of hu Product #: businesspro-Elecfreaks Octopus PIR Motion Sensor 2022-04-20 Regular price: $HKD$58.0 Available from: Businesspro MallIn stock