The S3524A GSM Home Alarm equips with LCD and all operation Menus Displayed, all operations and settings are visual and intuitive!

What you need is a SIMCard which support Call ID function.

What advantages of the GSM Alarm system S3524A?
1. Easily to operate;
2. Easily to set up, all the set up are displayed by the LCD instructions;
3. Black List in order to avoid harassments;
4. Alert message can be edited by user self;
5. Supports Pre-set Message, Message inbox, Message Outbox, etc;
6. Panic Button(SOS), in order to emergercy ask for help.