24/7 Recording Cameras

Hello,

Which cameras can 24/7 recording?

These are not made for that. If you want a solid 24/7 record than you’d need a DVR system instead. These are mainly motion detection and recording. There are some that have snapshot view. Which means they take a photo every 30 seconds on some and minutes on others.

Do you know which cameras has the snapshot feature?

This should help.
https://support.ring.com/hc/en-us/articles/360034355652-Taking-Timeline-Security-Snapshots-Using-Snapshot-Capture
Remember that battery powered devices will take much less frequent shots than plug in or hardwired.