i have a 16GB micro sd card, how long will it record on 640*480 resolution 30FPS?

Question

Update:

i referring to one time video

Answer 1

It's impossible to say, it all depends on what format you use to record, which codecs are used. But keep in mind that a regular DVD movie is 4.6GB in size and uses a resolution of 720 x 576. So you should be able to record a few hours with it.