The DH4 is a 4‑channel high‑definition DVR that records up to four 1080p camera views while supporting existing 720p and analog cameras. It delivers premium image quality, full‑motion video, built‑in GPS, and the latest wireless transmission standards. The system includes speed, acceleration, and geo‑fencing alarms, plus remote DVR health monitoring through hardware and software tools. Compatible accessories include a GPS antenna, hard drive dock, and G‑force sensor, while optional add‑ons such as live GPS tracking, Wi‑Fi auto‑download, video management, live streaming, and event modules further enhance fleet safety and visibility.

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