Detect door openings without delay — magnetic sensing, instant alarm, discreet installation
Monitor roller shutters and metal doors — magnetic detection, active while closed, instant alarm when opened

Why is this door alarm perfect for you?
✔ Magnetic sensors monitor whether roller shutters and metal doors are closed. When an opening is detected, the alarm sounds immediately, helping you detect unauthorized entry without delay.
✔ The HO-03I was specially designed for roller shutters and reliably detects when they are opened. Its compact design allows it to be installed discreetly on different types of doors and in different locations.
✔ The sensor can be used to monitor entrances in shops, warehouses, offices, and homes. It detects when a roller shutter or metal door is opened.
Specifications
Model: HO-03I
-: Magnetic sensor
Operating status: Active when closed; alarm triggered when opened
Compatible doors: Roller shutters and metal doors
Model: HO-03I
*Update: Aufgrund unseres Sale sind unsere Bestellungen in die Höhe geschnellt Door alarm | Magnetic opening sensor | For roller shutters and metal doors begrenzten Bestand! Drücken Sie jetzt "IN DEN WARENKORB" und sparen Sie 50% nur heute!
Warum bei uns kaufen?
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J. Love