4GB - 300 SPY USB Digital Voice Recorder 25 Days Standby Battery - Multi Mode (Up to 144 hrs recording time) bug detector 1) To detect transmissions (uploads)

1) To detect transmissions (uploads) going from the tracker to the mobile network GSM/3G when the vehicle is moving

the mode icon on the unit will turn blue

but it significantly enhances the function of the tracker

images or anything you want

4GB - 300 SPY USB Digital Voice Recorder 25 Days Standby Battery - Multi Mode (Up to 144 hrs recording time) bug detector 1) To detect transmissions (uploads)Advanced Digital Hidden Voice Recorder Product Information: 4GB Memory Capacity High Quality Device Voice activation mode Continuous Recording Mode USB Flash Drive File Storage Device Long time recording Sensitivity adjustment (only with 350) One recording quality: High Quality *Super High Quality (only with 350) Date and Time stamp (only with 350) Up to 20 hours Battery life (Continuous Recording Mode) Up to 25 days standby time (Voice Activation