Shutter Siren Security System Non GSM (Cheapest)

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GSM Shutter siren system with Mobile App
• GSM Shutter Security S...
Shutter Siren Security System (Non GSM)
This shutter siren security system is non gsm security system. You don't need to insert any gsm sim card on it. This system is key operated.
You just install this system into your shutter. No need to charging. Battery life is more then year* depend how many time and how long siren ring.
There is available 2 keys for activate & deactivate system. Very useful and cheapest product for secure your shop, go down or factory.
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