Size: 64mm x 46mm x 17mm Package size: 212mm x 129mm x 59mm Net weight: 50g Gross weight: 460g GPRS Mode：SIMCOM sim900B 850/900/1800/1900Mhz MCU：MPC89 single chip GPS Mode：MTK Real time tracking by SMS Voice monitor; SOS feature View Google map on mobile screen Geo fence; Movement alert; Over speed alert