CY-906-3PSmoking Detector 1.test by hand,auto-reset; 2.PIR Photoelectric sensor 3.Network output/LED alarm 4.single sided 1test by hand,auto-reset;2PIR Photoelectric sensor3,Network output/LED alarm4,single sided fiberglass PCB5,best adaptability with environment6,High dendity SMT design, high stability7,Dustproof, mothproof and anti-white lightoperating voltage: DC12Vconsumption current: ≤ ...