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

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

8ch SD Card 3G GPS WiFi MDVR Fleet Solutions

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...

98% Accuracy Video Counting Based Binocular GPS Bus Passenger Counter with SD...

4 Ch SD Card DVR Recorder with 3G/4G GPS WiFi Alarm G-sensor Remote Engine St...

4 Channel Hard Disk Solid State H.264 DVR Recorder for Bus Fleet Control System

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

4 Channel 3G GPS WiFi SD Card H.264 MDVR with G-sensor Alarm RJ45 for Vehicle...