Purchase Qty. Reference FOB Price
100-499 Pieces US$6.31
500-999 Pieces US$5.85
1,000-2,999 Pieces US$5.38
3,000+ Pieces US$4.92
Product Description
Features 1.High reliability sensor 2.A human voice alarm 3.Flammable gas detectors 4.Automatically detect sensor faults 5.SMT design, high stability 6.Output of relay 7.Output of solenoid valve 8.Alarm Indicator: Red LED flash 9.Failure Indicator: Yellow LED on &beeper long-buzz Technical ...