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This SIM device is a special system designed for audio
surveillance or monitor by providing regular mobile phone SIM services. A unique
design, small frame and sturdy construction encompass the rich SIM technology
beneath its compact shell. Embed condense, sensitive microphone, which could
pick up any ambient sound. When the need comes, or unforgettable moment occurs,
just dial up the SIM number, it runs silently at any circumstance, and help you
capture needed sound of its surrounding. Its internal battery could provide 2~3
hours working time, with external extra battery, it is capable of constantly
running up to 6~7 hours. It is a covert surveillance tool made for everybody.
* Frequency: 900\1800\1900
* Embed microphone, powerful sound receiving effect (Can receive sounds even 10
meters far away from the device)
* 24 hours non-stop power supply.
* All GSM SIM card compatible
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