10-Pack Wired Door Window Sensor Alarm - Magnetic Security Switch for Home Burglar Alarm System | DIY Home Security, Smart House Protection, Apartment Safety

Vkander is a shop dealing in outdoor products, electronics, auto and motorcycle accessories, and security products. Our selections come from China, and our philosophy is to provide you with high-quality products that make you and your life more convenient. Features:Magnets are usually close to each other, which is normal statement.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, and the GND and N.C ports of wired or wireless alarm control panel are directly connected.Not suitable for iron doors, it will reduce the magnetism of the sensor. Specifications:Working Distance: 15mm + 5mmSwitching Pressure: 100VDCLoad current: 300 mALife: 1 million timesSwitch Output: NC (Normally Closed)Package Weight: 91g/3.2oz Package List:10 Pair * Door Window Sensor

NORMAL MAGNET POSITION The magnets of Magnetic Switch are intentionally designed to be positioned close to each other, which is a normal operating feature of the sensor.

CURRENT PATH WITH SHORT CIRCUIT When the magnets are close to each other, they create a short circuit, which allows for a path for the current to flow.

CLOSE AND OPEN When the magnets are close to each other, the sensor's switch is in the off position. When the magnets are separated from each other, the sensor's switch is in the open position.

DIRECT CONNECTION TO ALARM CONTROL PANELWindow Sensor does not require an external power supply as it can be directly connected to the ground (GND) and normally closed (N.C) ports of a wired or wireless alarm control panel.

PERFECTION GUARANTEE Customer satisfaction is our top priority. If you have any questions, please feel free to contact us, we will get in touch with you as soon as possible to provide you with a satisfactory solution.