Features: It needs the password to make and change any setup, protect your privacy. It can accurately position even when the signal is weak. It can detect and fix some problems with built-in monitor CPU. Location inquiry by SMS or GPRS (TCP/IP). Three-color LED status display, to keep abreast of the working status of the tracker. Specifications: Color: Black Power input: 7~50V DC GSM frequency: 850/900/1800/1900MHz GPRS frequency: Class2, TCP/IP built-in GSM Module GPS module: SIRF Star III/LP GPS channels: 20 Tracking sensitivity: -159dBm Acquisition sensitivity: -144dBm Hot start: Less than 2sec (open sky) Warm start: Less than 32sec (open sky) Cold start: Less than 38sec (open sky) Antenna: built-in GSM, GPS antenna with low noise and high gain Function buttons: power/SOS 3 LED indicators: GPS-Blue, GSM-Green, Power-Red Working temperature: -10 to 60 Working humidity: 45% to 80%RH Dimensions: 90 x 45 x 12mm/3.5 x 1.8 x 0.5(L x W x H) Package include: 1*GPS TrackerFeatures:It needs the password to make and change any setup, protect your privacy.It can accurately position even when the signal is weak.It can detect and fix some problems with built-in monitor CPU.Location inquiry by SMS or GPRS (TCP/IP).Three-color LED status display, to keep abreast of the work



