Support AGPS: Cold start 26 seconds positioning Call Function: SOS call, voice monitor, whitelist for don't disturb Power Management: Ultra-low power consumption of power management,intelligent dormancy One Key Emergency: SOS one key emergency function ,autodialing Record Function: choose the record function on the APP, and then the device can be record actomate, after record,will send back to APP directly. Smart Geo-fence: Outside the range setting can be automatic alarm Historical Route: Can check history of three months Long-distance Call Pet: Use your phone APP for sending voice message,tracker after recive message can automaticly transmit your voice message Wireless Upgrading: Software upgrade,remote debugging maintenance, remote setting parameters Product Name:Multipurpose Mini Locator Positioning Method:Beidou + GPS dual satellite positioning + AGPS assisted positioning + WiFi positioning + LBS base station positioning + inertial positioning Battery:1000mAh Gravity inductor:support MIC:Support I/O Port:Magnetic suction charging GPS Location Accuracy:5-15M LBS Location Accuracy:100-1000M Supported Operating Systems:for android 2.3 and above system, for IOS5.0 and above. Call Function:double talk/The remote monitoring Language Support:Simplified Chinese and English Colour:Black Material:PC+ABS Size:Whole Machine Size:54x40x18mm Package Contents: 1 * Smart Dog GPS Tracker Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.