DVR Save last 20 minutes on button press?

Martyn Ball

Junior Member
Jul 3, 2017
1
0
1
Hey, I want to wireup some cameras on my motorbike which record constantly whilst my bike is on. However I only want them to save footage from like the last 30 minutes for example if a button it pressed.

Is this possible? I don't want it to be constantly recording and filling up the SD card, only want to save the footage of a button is pressed.