5Pcs/ Lot Wired Door Window Magnetic Sensor Switch for PTSN GSM Wired Alarm System Door Detector

No external supply, connect to wired alarm control panel GND and N. ports directly!
Specification :
Material Shield: Anti- ABS
Connecting Mode: N..
Rated Current: 100mA
Rated Voltage: (VDC)100
Operating Distance: More than 15mm, Less than 25mm
Rated : 3W
Package includeds :
5 x Wired Door Switch

Details pictures :




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