No need external power supply, connect to wired alarm control panel GND and NC ports directly which make signal stability and no trouble for the battery;
Operating distance: more than 15mm, less than 25mm;
Item need be work with your alarm system, it can not be self-employment;
White color make home great and beautiful.
ABS material
Product Description:
Wired magnetic door/windows contact can be added to wireless/wired Alarm Systems.(some wireless system has wired zones).They are best for protecting doors, windows and any other other you want to protect.
Technical Parameters:
Economic solution for Non-metal door/window protection;
No external power supply, connect to wired or wireless alarm control panel GND and N.C or N.O ports directly!
ABS material;
Alarm distance: 15mm-30mm
This item Mbangde Lot of 6 Wired Magnetic Door Contact Personal Alarm Gap Window Door Sensor for Home Security Alarm System DIY Kit
- Magnetically triggered alarm are used to guard the opening of both doors and windows.
- Peel and stick the alarm to every entrance to make sure your home is protected. With high reliability, frequency stability, low consumption, strong penetrating power and other characteristics.
- Can help you focus on your child whether to open the windows and doors or cabinet ensure the safety of children.
- If a burglar opens the protected door or window, a magnetic switch inside the sensor, will trip, which sets off the security system. Super loud alarm of 100dB, scare thief away.
- Includes 12x LR 44/AG 13 button cell batteries.(3pcs for each alarm device).