If you ask for my advice， I am really willing to introduce you this DH-GT06 Professional GPS Tracker Car Locator Black which featuring good condition and high performance must meet your need. Made of high-quality material and with professional design， this locator is durable and practical in use. This locator supports playback function for your query and ACC ignition signal measurement. The built-in vibration sensor performs well on car burglarproof function and alarm function. In addition， this historical track playback will also bring you much convenience and help. This locator could connect to car horn to achieve two-way talkback.                                    Features             GSM system， worldwide<br> High-quality， durable and professional in use<br> Supports real-time location tracking and SOS alarm<br> Low battery and location moving alarm<br> Supports playback function for your query and ACC ignition signal measurement<br> Supports query， locate and trace phone， short message， tablet PC， computer<br> Built-in vibration sensor， intelligent burglar alarm<br> Could connect to car horn to achieve two-way talkback   <br>                                                            Specifications             GSM Frequency Bands     900 / 1800MHz or 850 / 1900MHz     <br> GPRS     Class12， TCP / IP     <br> Voltage Range     9-24V DC     <br> Standby Current     0.2mA     <br> GPS Positioning Time     Cold Start -38s (Open sky) / Warm Start -32s / Hot Start -2s (Open sky)     <br> GPS Positioning Accuracy     10m (2D RM)     <br> Working Temperature     -20 ℃ - + 70 ℃     <br> Humidity     20% -80% RH    <br> Material     PC    <br> Weight     7.83oz / 222g    <br> Color     Black    <br> Dimensions     (3.94 x 1.97 x 0.39)" / (10 x 5 x 1)cm (L x W x H)     <br>                                                             Package Includes            1 x Locator<br>1 x 4P Power Line<br>1 x Alarm Button<br>1 x MIC<br>1 x Speaker Cable<br>1 x User Manual<br>