Features:----------------(1) Authorization(2) Modes switch ��track��， ��monitor��& ��call�� (3) Single Locating (4) Auto track continuously (5) Track with limited times upon time interval(6) Track with unlimited times upon time interval(7) Smart track upon time and distance interval(8) Automatic update positions of vehicle turns (9) GPS drift suppression (10) Absolute street address (11) Location based service (LBS) (12) View photos on cell phone (13) Authorization(14) Scheduled wake-up(15) Single Locating (16) Auto track continuously (17) Location based service (LBS) (18) Absolute street address by SMS (19) Arm/Disarm (20) Shock Alarm (21) Geo-fence (22) Movement Alarm (23) Over speed (24) Low battery alert (25) Forward the third parties�� message (26) Charges Inquiry (27) State Checking (28) IMEI checking (29) Terminal (local) Time Setting (30) TCP/UDP Switch (31) Reset (32) GPRS setting (33) IP and port setup (34) Modes switch between ��SMS�� and ��GPRS�� (35) SMS track by cell phone(36) Free PC based tracking(37) Web online tracking www.gpstrackerxy.com(38) Andriod / Iphone AppSpecifications:----------------(1) DIM 23.5��110mm(2) Weight 50g(3) Network GSM/GPRS(4) Band 850/900/1800/1900Mhz(5) GPS sensitivity -159dBm(6) GPS Accuracy 5m(7) GPS start time Cold status 45s(8) Warm status 35s(9) Hot status 1s(10) Charger Voltage 110��240V input 3.7V output(11) Battery Chargeable changeable 3.7V 700mAh Polymer battery(12) Standby time 30 Days(13) Storage Temp -40��C to +85��C(14) Operation Temp. -20��C to +70��C(15) Humidity 5%--95% non-condensingPackage--------1x GPS Tracker1x Charger2x Li-ion battery1x Inductive Key1x Matching screw1x CD1x User Manual