Wired Door Window Magnetic Alarm Burglar Security Safety System for Shop White
- If the door is opened, the magnet leaves the switch, the reed contacts are disconnected, and the signal line is interrupted.
- Suitable for shops, stores, garages, supermarket, and other places.
- When someone illegally prizes the roll door open by 2-3 cm, the product immediately sends a signal to the host. The horn in the host will send out a loud alarm sound, so that the illegal can not start.
- When the magnet is close to the switch, the reed contacts are closed and the signal line is connected.
- The is made of high quality ABS plastic with matte finish and high-end appearance.
