Ai Mobile Mdvr for Truck and Bus, Cmsv6 4 Channel Adas DMS with 4G WiFi GPS Real Time Remote Tracking for Fleet Management System. 4-Channel ADAS & DMS: Integrated ADAS and DMS features including fatigue, distraction, and lane departure detection for enhanced safety. Real-Time Remote Tracking: Built-in 4G/WiFi/GPS enables real-time video viewing, track query, and fleet management via CMSV6 system. Dual Storage System: Supports max 256GB SD card and 2T 2.5-inch HDD for reliable data recording and backup. High-Definition Recording: Supports 1080P/720P HD and analog resolutions with H.264/H.265 compression and auto loop recording. Customizable Solutions: Supports full customization including screen size, storage, and functional modules based on drawings or samples. Professional After-Sales Support: Provides 1-year warranty, 24/7 technical support, online debugging, and permanent free software upgrades. Certified Quality Assurance: Products hold CE, FCC, RoHS certifications and pass 99.8% quality control under ISO 9001 standards.