| Items | Specifications |
| Dimension | 75*54*25mm |
| Weight | 92g |
| Input voltage | DC 9V~37V/1.5A |
| Back-up Battery | 650mAh/3.7V |
| Power Consumption | 65mA standby current |
| Operating Temperature | -20℃~55℃ |
| Humidity | 5%~95% |
| Battery Work Time | 33 hours in power-saving mode and 8 hours in normal mode |
| LED | 2 LED light to show GPS,GSM status |
| Button | 1 SOS and 1 power on/off |
| Microphone | Default |
| Memory | 2M Byte |
| Sensor | Motion sensor |
| GSM Frequency | 850/900/1800/1900Mhz |
| GPS Chip | Latest GPS SIRF-Star III Chipset |
| GPS Sensitivity | -161dB |
| Positioning Accuracy | 10 meters,2D RMS |
| I/O | 3 Input 1 Analog Input Detection 2 Output 1 USB port |



