Features:

1. Up to street level GSM cell ID tracking, with Google link dirrect web brousure.
2. Voice active monitoring with super mini dimension.
3. Live land line monitoring when detect any call in/out and will call your master phone(Available for GM-6800s)
4. Built in adjustable sensitivity voice active microphone
5. Built in High sensitivity monitoring amplifier microphone
6. Built in phone number filter function, other phone will not allowed to monitoring
7. Can used SMS to set active or deactivate sound active mode
8. Built in 3G-Sensor shock alert active function, will call and send SMS when detect shock alert
9. Easy to operate, just install SIM card and SMS setting for all function modes
10. Built in earphone jack, allowed to communicate as spy device
11. Built in rechargeable polymer LIION battery, with capacity up to 330mA and standby time up to 165Hours
12. Built in charger circuit allowed using in charge mode

specifications: