10pcs Wired Door Window Sensor, Magnetic Switch for Home Alarm System

[Reliable Security Solution] These normally closed (nc) magnetic switches provide a dependable path for current when activated. their compact design and lightweight (91g per package) ensure easy installation and discreet placement for enhanced security.; [No External Power Needed] These wired door window sensors operate without an external power supply, directly connecting to the gnd and n.c ports of wired or wireless alarm control panels. this ensures a seamless integration into your existing home security system with minimal setup required.; [High Sensitivity Magnetic Switch] The sensor features a highly responsive magnetic switch with a working distance of 15mm 5mm. when the magnets are close, the switch is off (short circuit), and when separated, the switch opens, triggering your alarm system for reliable security.; [Easy Installation & Versatile Use] The sensors are perfect for non-iron doors and, as iron surfaces may reduce magnetism. each pack includes 10 pairs, making it ideal for securing multiple entry points in homes, offices, or garages.; [Durable & Long-lasting] Built to last, these magnetic switches can withstand up to 1 million operations. with a switching pressure of 100vdc and a load current of 300 ma, they are designed for long-term use in any home or office environment.

What's in the box
10 x Home Alarm Systems