1.HD camera.Can be used for photographing,videos recording,etc.With
8GB TF card.
2.Flash light.Can be used at night.
3.Bluetooth(with earplug).Can be connected with mobile phone for
listening music,
answering phone calls,using GPS,etc.
4.Doze reminder.When car drivers are falling asleep,there will be a
voice warning to keep them awake.