One of my YouTube subscriptions, ‘The Hook Up’ recently did a great overview of the best wireless, battery powered security cameras available.
If you’ve been considering a camera at a location where you absolutely cannot run any cables then check out this round-up of devices from Arlo, Blink, Eufy, Reolink and Ring.
There are a few different scenarios covered, like what happens to the footage if you lose Internet connection, so check out the video for best recommendation in each case.