features:<br />1.this tracker can find the location on the map of the mobile phone， support to reply the photo with mms.<br />2.the tracker can record with sim card slot， power inquiry， callback with sound detecting， reply with mobile<br />monitoring mms back and environmental monitoring.<br /><br />specifications:<br />color:black，white<br />size:8cmx2.5cmx2.4cm<br />material:abs<br />battery: 3.7v 400mah li-ion battery<br />stand-by time: 12 <br />working time: 4-6 <br />usb output: 2.1a<br />calling time: 150-180 min<br />network type: gsm/gprs<br /><br />packaged included:<br />1x car tracker<br />1x instruction(not included other devices)