... Interval 4.Built-in Super Magnet Optional Gps online tracking gps locator Product DescriptionGT30 is a small and ... -in Super Magnet (Optional) GPS Tracker,gps tracking,tracker,vehicle gps tracker GPS module: SiRF Star ... internal battery Re-branding acceptable GPS Tracker,gps tracking,tracker,vehicle gps tracker GPS module: SiRF Star ... internal battery Re-branding acceptable Gps online tracking gps locator