Meet the Lukas LK-7950: a versatile dashboard camera that lets you record 1080P video on the road. It offers built-in WiFi connectivity, so you can view live footage from the front or rear camera on your smartphone. The device is compatible with iOS and Android devices. The camera offers a variety of recording modes (Motion Detection, Always On, Event Recording).
You can use this camera to record video as long as your car is on or when the G-sensor detects impacts like accidents. The camera is capable of capturing clear day and night videos. Sets you back under $300 at this time.