Vehicle Car GPS Tracker 103B With Remote Control GSM Alarm SD Card Slot Anti-theft Realtime Spy Tracker GPS103B TK103B for GSM GPRS GPS System Tracking Device Remote control with alarm on/off function. GPS/GSM station positioning. SMS/GPRS/internet network data transfer. Point-to-point, point to group, group-to-group monitoring. Continuously auto track upon different time and distance intervals. Absolute street address with GSM network. SD card for data logging. Support 9-36V, so it can be installed on Bus, taxi, truck ,personal car, business car etc.