Location data, alarm condition data, ID data of personel inside vehicle or data, picture, sound taken by GPS receivers send to control center via GSM system, can be seen on a digital map and can be record.By the two way of data communication, high variety of data base application on control center, every electrical variable inside vehicle (speed, heat, alarm,etc.) tracking from control center and interfering.for more detail... Tracking vehicles as an online and offline Includes Web Interface Includes Wap Interface Includes GPRS Communication Software Includes SMS Communication Software Includes Desktop MapHandler Software