Thought I could maybe get to Costco today but that never happened. I took a quick look at what Costco.ca offers and concluded that only a few of them might be suitable for what I was thinking of. Here are two of the product lines:
Defender Cameras
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https://www.defendercameras.ca/products/
- Sentinel 4/8 Camera Kit
- 4K Ultra 4 Camera Kit
- minus 40C to plus 50/60C
- wired, PoE
Swann Cameras
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https://us.swann.com/swnvk-886804fb/
- 4 and 8 kit options
- minus 30C (Ifigure that is probably close enough) to plus 55C
- wired, PoE
As Tom indicated, I'd also suggest staying away from wireless and instead go with a PoE based system, PoE provided directly from the controller/recorder box. Its a better installation and in the end should be more reliable (one single low voltage cable run to each camera), in my opinion. However, one has to be comfortable with that kind of work (running and terminating cat5, or preferably cat6 shielded) or you'll be paying an installer. That's probably why wireless ones are so popular, easier for anyone to just plug and play near an electrical outlet, and then connect to an SSID, things that almost everyone nowadays is capable of doing. It really depends on each person's situation. Another thing I'd suggest to think about is if the system must work with an online service. Online services are great for remote viewing of feeds from a phone when one is away from home, and even for cloud backup. However, do you really need to get tied into yet another account and another company having your data? Some of that is almost impossible to completely avoid nowadays, but having the ability for local only monitoring (not having to be facilited by also a connection or a call home signal to the company's servers), is in my opinion mandatory.