5552480394018816 Businesspro Mall M5Stack PIR Motion Sensor (AS312) (行貨1年保養) PIR is a human body infrared unit. It belongs to the "passive pyroelectric infrared detector". It detects the infrared radiation emitted and reflected by the hu Product #: businesspro-M5Stack PIR Motion Sensor (AS312) (行貨1年保養) 2021-10-30 Regular price: $HKD$30.0 Available from: Businesspro MallIn stock
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