DVR type:128gb sd card 4ch full d1 mdvr with fuel sensor people count optional Storage capacity:2TB HDD &64GB SD card Basic function:4 cameras monitoring with 3G real time,GPS tracking,wifi auto download Optional function:video people counter ,oil sensor and so on Software support:clients,server,playback softwares Price protection for agent:negotiable Customized functions:yes,we can Warranty:12+4 months Applicable vehicles:bus, truck, taxi, cab, petrol, excavator, mining truck fleets Certificates:CE/FCC Show More