Yes, solar powered trail cameras can be used for security purposes to monitor and capture footage of potential intruders or suspicious activity.

You can use 230 volts or 12 volts again. Both are possible because the camera has a USB connection

The solar camera must be connected to the 2.4Ghz network to be used, but your own mobile phone can be connected to the 5G network to control the camera remotely.

this solar powered security camera can not be used with HomeKit, it can only be used with Cloudedge phone app.

Yes. It has a 12v external jack. I found that if you run the camera with just a solar battery pack, you have to unplug it every time you open it to check the memory card. When you do that, the date and time reset. Leaving batteries in the camera solves this problem.