Calculator GSM Listening device

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Calculator GSM Listening Device
GSM-12

Description:

Fully functional Desk top calculator has GSM listening device with 40 hours operation. Battery charged with USB. This fully functional calculator can be left in office without any suspicious and you will know what is going on when you are away.

You can charge the battery via USB port of your computer or USB mains charger.
There is a secret switch which you can set the GSM listening device ON/OFF .

Ideal Listening device for home ,office and also in the car. As the Calculator working with Solar battery charger you do not need worry about calculator battery and will work mant many years.

Technical Specifications:

GSM frequency: 900/1800 MHZ
Audio Amplification:-45dB
Battery Life: 40 Hours
Listening Time: 8 Hours
Calculator fully functional

Price: £180.00(£211.50 incl.VAT)

Order Hot Line: 020 7286 9268