303 Vehicle GPS Tracker. Dual Tracking Technology: Combines LBS and GPS for real-time location tracking and monitoring. Comprehensive Alarm System: Features geo-fence, over-speed, shock, door, ACC, and low battery alarms. Remote Engine Control: Allows remote engine stop and resume via SMS commands. Large Storage Capacity: Built-in memory stores up to 16,000 position records. Multi-Platform Support: Compatible with web servers, PC software, and mobile apps with Google Maps. Power Saving Modes: Includes sleep by time, shock sensor, and deep sleep modes for energy efficiency. Compact and Hidden Design: Small dimensions (83x54x26mm) and light weight (120g) for easy concealment. 1-Year Warranty: Provides a one-year warranty coverage for the device.