The Express GSM Door Alarm will call and send text notifications to a phone number of your choice when a door or entrance is opened. Up to six phone numbers can be sent alerts.
The Express GSM Door Alarm Can be used at any location where GSM mobile telephone coverage is available. Remotely monitor opening of any Doors or windows.
Idea for use as:
* One wireless GSM magnetic security sensor - POLUS GSM
* Includes Security SIM with £10 of credit.
* One magnet
* One lithium CR123A 3V battery
* One keychain magnet
* Quick Start Guide
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