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| Customization: | Available |
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| Type: | Sensor |
| Usage: | Anti-theft |
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4.5v 3 pcs AAA battery
100 db (30 cm)
Open the battery cap and put in the batteries.
put the alarm to the ground of a door back.
Switch on the alarm.
When the door is opened and touch the metal plate of the alarm..
the alarm sound will starte for 30 seconds.
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