No screen 4K dual dashcam with wifi GPS 

Rdtk 4K top-level dual dash cam A400pro, not only because of the special structural design, but also with 2160P ultra-high-definition resolution, has become one of the special-purpose driving recorder that are loved by everyone. The Dash Cam With Loop Recording and 24-hour parking monitoring/Gravity sensor, the dash cam can automatically monitor the surrounding environment, when the built-in Gravity sensor detects a sudden vibration or collision, the camera will automatically lock the video seamless loop recording will automatically overwrite the old files.