Get a $44 IP3M-943W from
amcrest.com or at ebay from amcrestdirect.
You would need a router and phone or PC for initial setup, but then install it anywhere without a router. It should just keep recording motion events to SD card in a loop, even after a camera power off/on or reboot.
Just remove SD card for viewing when necessary.
Or get a $19 router and turn it on when needed. Then use your phone or laptop to view camera recordings or save recordings. If some camera is too far from router, just move router and phone closer to camera. If you get a router, use it it for initial camera setup.
Camera comes with a 12V wall wart adapter. you can make an extension cable with proper wire size to extend distance to 120V AC receptacle if needed.
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Having already bought and returned 3 cameras because they would not perform this simple function, can I be sure that this camera can have its 'operating software' downloaded at home off my router..... never mind why it couldn't just come with its operating software right out of the box...... then I can drive out to the site across town where there is NO Wi-Fi or router, just a 120V plug...... plug it in, and supposedly this thing is going to forevermore motion record in a loop to say a 128 GB flash..... allowing you to simply pop out the flash card at any time and view the video files, Simple Simon, Happy Life?
Or is the software going to be wiped out every time the camera loses power, forcing me to have to take down the camera, drive back across town and set it up again every time I power off to check the SD card?
I need to know this for sure, as I said, fool me once, fool me twice, fool me thrice. All the other models online said they would do this, and no, they did NOT and I had to return them.
Why can't someone, ANYONE just make a simple security camera that motion records in a loop to an SD card? Why does it always have to 'download' something, Cloud Storage something, subscribe to something, Alexa something, use a blinking router?
Also why won't this forum simply allow you you to highlight and copy your text so you can save it before posting???? Oh for the simpler days. Talk about frustrating. But that's beside the point......