battery drain xiaomi yi

What dash cams come with a feature that shuts the camera off when the car battery voltage is below a certain threshold? My vehicle's cigarette lighter port does not turn off when the car is off, that is why I need a dash cam that will turn off automatically. I do not want to have to remember...

Hey, I recently got my Yi and noticed straight away that the battery was draining 1% a minute without recording or taking pictures, I tested without WiFi and got the same decrease, so I decided to open it up and noticed there's already a plastic sheet covering the cell, so I have no other idea...