... 1.GPS chip: SIRF3, new arm7(optional) 2.monitoring and SOS 3.move alarm, real-time track 4 ... gprs 1.GPS chip: SIRF3, new arm7(optional)2.monitoring and SOS3.move alarm, real-time track4.blind feedback5. ... the blind area.Add or change Username and Password.Monitoring and SOS feature.It will send an alert of ... replaceable): 3.7V, 800mAh lithium-battery. GPS TK102 with Monitoring and SOS, Mini GPS TK102