Features: The capacity of built-in battery is 350mAh, in case the power is cut, so you'll get the location even if the wires are cut off.  Vehicle GPS tracker support SIM card, just insert a sim card and wire it up to the battery, and you know where your stuff is all the time.  Support 4-frequency GSM 850/900/1800/1900 MHz which can work worldwide, and can track the real time address by google link.  Quelima real-time locator support single location and support GPS/Glonass/Galileo/Compass four different satellite.  Alarm function: Geo Fence Alarm, Main Power Off Alarm, Over-speed Alarm, Low Power Alarm keep you know the driving situation any time.  This GPS Tracker is Mini Waterproof Tracker and easy to use with ACC detect ignition, the Quality and Stability are better.   Specifications: Material: ABS plastic;  Color: Black;  GPS Chip: Ublox G7020;  GPRS: Class 12;  Network: GSM;  Channel: 20;  Voltage Range: 9 - 75V;  GPS Sensitivity: -162dB;  GPS Positioning Precision: 10m;  Waterproof: IP67;  Power Cable Length: 98cm / 38.6in;  Location Accuracy: 5 meters;  Operating Temperature:-20℃~+55℃;  Operating Humidity:5% to 95% Non-condensing;  Built in Battery Capacity: 350MA;  Product Size: 9*3*1.5cm / 3.54*1.18*0.59 in.;  Product Weight: 66g / 2.32oz;  Package Size: 12*8*3cm / 4.72*3.15*1.18 in.;  Package Weight: 92g / 3.24oz;   Note: The user manual will explain in detail how to operate this product. Therefore, please be assure to read it carefully before using this product.   Package Includes: 1 * GPS Tracker;  1 * Sticker;  1 * English User Manual