- Wired Door Window Sensor: Installation of door window sensor with magnetic switch, protect your family at all times. Not suitable for iron doors, it will reduce the magnetism of the sensor
- Home Alarm System: The magnets are close together and the switch is off. And the switch and magnet are separated, and the switch is open. Close = short circuit = create a for the current
- No External Power Supply Is Needed: No external power supply is needed, and the GND and N.C ports of wired or wireless alarm control panel are directly connected. Magnets are usually close to each other, which is normal statement
- Robust & Easy To Install: Good abrasion resistance, suitable for wooden doors, windows. Regardless of whether it is installed at home or in the company, it is a good choice
- Package List: 10 Pair * Door Window Sensor; Widely used in measuring instruments, office automated equipment, household supplies, security and safety equipment, transportation and transportation equipment