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

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

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8 Channel HDD Recorder GPS Tracking Device for Bus Fleet Management

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

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

Linux GPRS SD Card Bus Passenger Counter System for Bus Passengers' Calculation

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