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8 Channel HDD Recorder GPS Tracking Device for Bus Fleet Management

8ch 3G Realtime Tracking SD Card CCTV Systems with GPS WiFi for Vehicle Fleet...

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4CH 3G/4G GPS WiFi 720P AHD HDD Mobile DVR for Vehicle Fleet Management

4CH 720P 3G/4G Realtime Video Tracking Mobile DVR with Bus People Counter All...

Binocular Wireless Transmission GPRS Bus People Counter with GPS SD Card RS23...

8ch SD Card 3G GPS WiFi MDVR Fleet Solutions