UK
Kafuty 10pcs Wired Door Window Sensor Magnetic Switch for Home Alarm System with 15mm + 5mm Working Distance.
by Annadue
Brand
Annadue
Magnets are usually close to each other, which is normal.
Close = short circuit = create a path for the current.
The magnets are close together and the switch is off.
And the switch and magnet are separated, and the switch is open.
No external power supply is needed
Close = short circuit = create a path for the current.
The magnets are close together and the switch is off.
And the switch and magnet are separated, and the switch is open.
No external power supply is needed
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