T-Mark 8 Pins Auto Car Positioning GPS Tracker with Sos and Microphone Voice Real Time Tracking. Multi-mode Positioning: Supports GPS/BDS/LBS/AGPS with <10m accuracy and hot start <2s. Remote Engine Cut-off: Enables remote shutdown and geo-fence/tamper alerts for anti-theft. Wide Voltage Compatibility: 9-90V DC range suitable for cars, trucks, and buses with easy install. Long Battery Backup: 150mAh battery ensures operation during power cuts to prevent data loss. Real-Time Audio Monitoring: Supports external microphone connection for live in-car audio monitoring. SOS Emergency Button: Instant alert notifications to designated contacts for rapid response. High Data Storage: Stores up to 2,000 data points for complete and reliable tracking history. OEM/ODM Customization: Full customization including hardware, software, and rebranding services.