... Realtime locate the vehicles2 Vibration Alarm/Illegal Engine Ignition, Power off, Door Open Alarm/Parking Overtime Alarm/Overspeed Alarm/High and Low Voltage ... one interface Highlights:1 Waterproof2 4 MB built-in Flash Card, save 10,000 position data when no GSM signal3 ... Current≤180mA(@12V)Operation temperature-30 °C~+75 °CHumidity20%~80%I/O Ports4 (open/close door, oil stop/recover output, SOS, ...