Ten thousand kilometer long-distance audio monitor
Volume ultra small(matchbox size), portable
Simple, hides, the localization to inquire conveniently.
The function ultra strong, good effect in sound monitor.
The best product which the public security
Criminal investigation, the military reconnaissance,
Reporter make secret inquiries!
Downloading handset track localization function,
Simplicity of operator(need the support of local network supplier)

Specification:
Product dimension: 60*38*18mm
Weight: 0.2kg
Monitor main engine: May lay aside local GSM handset card
Everywhere with GSM network covered could use it.
In 20 square meters scopes, the monitor effect is also good.
Sneak in the monitor with the handset or the plane
Of the GSM card number, after putting through 3,
Changes over to the automatic monitor condition.
GSM card (outside the CDMA number), the card metal surface faces, inserts the main engine.
When the handset GSM card is taken out directly, the audio recording is closed down.
Charging Time: Generally 3-5 hours will be full