Note: This item is TK102-2, not TK102B. The Turn on/off button have no function, because Most of buyer use this for their vehicle, so they charge it direct to power charger, if the T Portable,easy to install,The login address is:http://www.20gps.net/?locale=cn&back=true,if you cannot login,or the IMEI code cannnot register,please let us know,we will solve your problem. GPS Tracker TK 102-2 can locate accurately and be used in guarding Vehicle against theft, Protecting child / Elderly / […]