... high sensitive GPS receiver and tri-band GSM for world wide.Built in SOS button and 5 quick dial ... . waterproof box with magnet 45 days battery Comparison: M-100A TrackerOther TrackersServer monthly feeNO NEEDNEEDReport to any cell ... Denmark, Norway, Sweden, Portugal, Finland, UK Central Europe:Czech, Hungary, Poland, Slovakia, Slovenia Eastern Europe:Croatia, Turkey, Bulgaria, Greece, Latvia, Estonia, ...