... for fleet management and car security. Built-in memory for data logging of 100,000 waypoints, built-in an 800 MAH battery ... button input, 1 microphone plugOutput port1 route relay control 500 mA @ DC 12V1 RS232 data port for firmware upgrade and PC setup1 ... , 500mA (max) power supplyBuilt-in memory for 10,000 points data loggingAntennaGPS/SMS connection, - 26dB, Cable length 5 metersGSM/SMS connection ...