... parameter: gps tracker/water-proof motobike gps tracker/micro gps transmitter tracker GSMFrequeny channel850MHz/900 MHz /1800MHz /1900MHzGPRSClass 12 ... built-in antenna design, waterproof ,dustproof anti-corrosion and anti-interference3,Support wide voltage, all vehicle are available ... ,Striae SBS glue craft5,Vibration alarm detection, sensitive and no false positives, Five levels adjustable6,Phone lock ...