Portable car GPS tracker, GPRS Positioning System. Move alert function, can sound the alarm when moving out of the electronic fence.Track playback at a glance Through the track playback function on the APP, the time, speed, track, etc. of the device can be displayedUltra-long standby and long-lasting battery life Built-in 500mAh -capacity battery, long-lasting battery life. When the battery is lower than 15%, it will automatically send an alarm to the mobile APPReal-time tracking of GPS accurate positioning GPS positioning, the signal is stable and not lost, no matter where you are, you can know the precise location of the current device at a glance.[Product Specifications]Item model number: PG12GPS Antenna: Built-in passive antennaCommunication : GPS/LBSBattery capacity: 500mAhOperating voltage range: 3.7V-4.2VGPS Receiver: High Sensitivity GPS ReceiverGSM channel: 850/900/1800/1900MHzFunction: automatic recording, positioning, real-time listening with APP. Voice-activated recording.size: 40 x 14MMMaterial: ABScolour: blackPackage Contents:1 x GPS Tracker1 x USB CableOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.