GSM/GPRS Vehicle Tracking Device GPS Tracker Tk103A with Microphone Engine Stop. Remote Engine Control: Enable remote engine stop and resume functionality for enhanced vehicle security. Voice Surveillance: Built-in microphone allows for real-time voice monitoring of the vehicle interior. Multi-Platform Tracking: Supports tracking via SMS, website, Android app, and iOS app with 16 languages. Comprehensive Alarm System: Includes door, ACC, shock sensor, power disconnection, low battery, and overspeed alarms. GPS Accuracy: Provides precise location tracking with 5-meter accuracy and fast start times. Data Logging: Features optional SD card slot for storing vehicle movement and status data. Long Battery Backup: Equipped with a 3.7V 350mAh polymer Li-Battery for power loss scenarios. One Year Warranty: Covers the tracker unit for one year from delivery date, excluding accessories.