... Definition Rugged Mobile DVR 3G GPS Support D1 Remote Control *Specification Item ParameterA&V Input 4 channel, aviation ... same timeVehicle recording Recording Vehicle operations (turn left/right, stop lamp), license NO. ,route, driverSystem Protection Saving the recording ... (Very Safe)3. Support D1 each Channel, PTZ Control, 3G remote monitoring4. Best after-sale service with 2 years warranty, ...