1.dual camera,GPS Module, G-Sensor 2.2.7' LCD screen Product ... can be used at the same time. Newly added GPS module can record the whole driving track. Built-in ... pulse current damage machine at the moment the vehicle start.- GPS scanning and positioning.- Gravity induced SENSOR Features:-2.7” ... or disappeared at zero hour-AVI movie formats-Support GPS module, GPS Map-Support G sensor-Multi language