Mini wiretapping hidden in calculator with voice detector

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Description:

With our device you will be able to voice surveillance of any room.
This calculator hes built in very sensitivity voice active microphone. You can use an SMS to set active (SMS "GDM1") or deactivate (SMS "GDM2") sound active mode. It iv very simple to operate, just install SIM card and SMS setting for all function modes. This mini wiretapping has built in Li-Ion battery with capacity up to 5200mA.

Functions:

- GSM band module: 900/1800/1900
- Voice sensitive: 75db
- Standby power consumption: 6mAh
- Stanby time: Up to 35days
- Working power consumption: 200mAh
- Power: 3.7 V 5200mA
- Charger power: 5VDC at 500mA
- size: 110x60x40mm
- Filter mode: 4 sensitivity voice filter
- Alert mode: 3 SMS number&1 calling number
- Control mode: SMS control