BestDealUSA LED Night Vision 2.5" Color LCD IR Car Auto DVR HD Digital Video Recorder Camera

• 100% brand new
• 2.5" TFT Colorful Monitor
• 6 LEDs support night-vision
• 90 degrees viewing angle
• Screen rotation angle: 270 degrees.

In the description, it stated "Records automatically after the car's power up" ... that feature and others I have not been able to figure out how to use ... there are mentions in the menu (after I figured out how to get there) of several functions, but I am unable to save those settings ... there is no documentation and I keep trying to figure it out ...