All I want is when I press emergency button to save file it must be saved full 1/2 or 3 minutes depending on settings not just 30 seconds.Then I think you might struggle to find one that does what you want. I'm pretty sure that they all record short clips.
If you want continuous video, then get a video camera. Simples.
Horses for courses etc.
And please stop shouting. It doesn't help things and makes text less easy to read,