Auto GPS Tracker with Online Trace Mobile APP Gt08-Wy. Multi-Function Security: Integrates GPS tracking with car alarm, immobilizer, and fuel leak detection. Dual Control Methods: Supports arm/disarm via SMS or phone call for enhanced convenience. Advanced Voice Monitoring: Built-in microphone allows real-time listening inside the vehicle. Robust Battery Backup: Includes 3.7V 500mAh rechargeable battery for power failure alarms. Extensive Data Storage: 8MB offline logger stores up to 8192 waypoints for historical tracking. Global Frequency Support: Compatible with GSM 850/900/1800/1900/2100 MHz bands worldwide. Free Online Platform: Provides private account for real-time tracking and history reports. Multi-Language Support: SMS commands available in English, Chinese, Arabic, Portuguese, and Spanish.