Description:100% Brand new and High quality.Quad band &built-in antenna.Two way locating methods based on MBS and GPS.Support web、 SMS and Google map link、 no need of platform registration.It needs password to make and change any setup、 protect your privacy.It can detect and fix some problems by built-in monitor CPU.Built-in turn on/off power、 supports 7-30V input voltage、 suitable for all cars.It supports hidden and open installation.Location inquiry by SMS or GPRS (TCP/IP).It can take power supply from car cigarette lighter or car storage battery.LED indicators to show working status at any time.It can accurately position even when the signal is weak.Online real-time tracking、 report location and emergency to internet and monitor NO. automatically. Specifications: GSM:850/900/1800/1900MHzGPRS: Class2、TCP/IP built-in GSM mODULEGPS Module:SIRF Star III/LPGPS Channels:20Tracking Sensitivity:-159dBMAcqusition Sensitivity:-144DBMLocating Time Cost:Hot start:<2secs(Open sky)Warm Start:<15secCold Start:<38sec(Open Sky)Antenna: Built-in GSM、GPS antenna with low noise and high gainFunction Buttons:Power、SOSLED indicator: Three LED indicator GPS-blue、GSM-green、Power-redPower input:Car power supply:7~30v DC Package Includes: 1 x GPS Tracker TK1101 x Wire (The color of wire will send at random)1 x English Manual