Supports web, SMS, and Google Map link; no platform registration required. Requires password to configure or modify settings to protect your privacy. Built-in power switch; supports 7-30V input voltage, compatible with most vehicles. Can be powered via car cigarette lighter or car battery. Features built-in monitoring CPU to detect and resolve certain issues. Provides accurate positioning even in weak signal conditions. Dual positioning system using GPS and MBS. Location inquiry available via SMS or GPRS/IP. Type: GPS Tracker GSM: 850/900/1800/1900MHz GPRS: Class 2 / IP Built-in GSM module GPS Module: SIRF Star III/LP GPS Channels: 20 Tracking Sensitivity: -159dBm Acquisition Sensitivity: -144dBm Hot Start: Less than 2 seconds (open sky) Warm Start: Less than 15 seconds Cold Start: Less than 38 seconds (open sky) Function Buttons: Power, SOS Power Input: Car power supply 7–30V DC Antenna: Built-in GSM and GPS antenna with low noise and high gain LED Indicators: Three LEDs (GPS - blue, GSM - green, Power - red) Features: Real-time online tracking, open installation design, LED indicators Color: As shown Material: Plastic Package Contents: 1 x GPS Tracker (Other items not included) Note: Lighting and display differences may cause slight color variation between the image and actual item. Measurement error allowance: +/- 1-3 cm.