Real time tracking position by SMS or APP, and sound monitoring by phone call. With built-in magnet, more easy to install.<br><br><strong>Features:</strong><br>GSM quad-band frequency for globe use.<br>Real time tracking location and previous track playback.<br>Real time tracking location by SMS or computer network.<br>Support tracking by iOS / Android app and remote control.<br>Built vibration sensor, the realization of vehicle vibration alarm.<br>Sound alert function: when the sound around tracker is higher than 60dB for a long time, it would automatically call the phone number that had been set up.<br>GPS + LBS positioning, accurate tracking.<br>Sound monitoring: you can monitor sound around this device by phone calling.<br>Built-in strong magnet inside, can be attached on metal directly, more convenient to use.<br><br><strong>Specifications:</strong><br>Item size: approx. 7 * 4.5 * 2cm<br>Item weight: approx. 102g<br>Network: GPS + LBS<br>GSM Network: 850/900/1800/1900Mhz<br>Voltagen range: 3.6-4.2V<br>Standby current: 0.2mA<br>Working temperature: -20 ℃ — +80℃<br>Working humidity: 20% — 80%RH<br>Package Size: 11 * 8 * 4.5cm / 4.3 * 3.1 * 1.8in<br>Package Weight: 205g / 7.3oz<br><br><strong>Package list:</strong><br>1 * GPS Tracker<br>1 * USB Charging Cable<br>1 * English User Manual