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GPS tracker for children/elderly/lone workers/assets/pets/cars. Supports tracking, logging, alarms, conversation, listen-in. Features:Track on demand.Track by time interval.Track on mobile phone.Two-way audio (earphone).Listen-in (voice monitoring).Internal memory for logging.Inbuilt tremble sensor.Inbuilt battery.SOS alarm.Geo-fence alarm.GPS blind area alarm.Low battery alarm.Speeding alarm.3 buttons for phone calls and sending SMS. Optional accessories:Y-charger for car battery.External backup battery.Tracker pouch.Built-in super magnet .GSM frequency: GSM 850/900/1800/1900MHz.GPS Chipset: latest SIRF-star III high sensitivity Chipset.GPS sensitivity: -159dB.Channels: 20 channel all-in-view tracking. Dimension: 77 x 51 x 25mm.Weight: 80g.Charging voltage: DC 4.2-5.5V/400mA (mini USB port).Battery: 1350mAh/3.7V.Normal power consumption: 85mA.GSM antenna.Microphone.Sensors: tremble sensor.
