3-Piece PIR Infrared Sensor Human Body Motion Module for Arduino Multicolour

It can automatically and quickly open various types of incandescent, fluorescent lamps, buzzer, automatic doors, electric fans,automatic washing machine and dryer machines and other devices,is a hightech products. especially suitable formachines and other devices,is a hightech products. especially suitable for machines and other devices,is a hightech products. especially suitable for enterprises, hotels, shopping malls, warehouses and family aisles, corridors and other sensitive sense of region, or for the security zone automatic lighting, lighting and alarm systems.