With a security camera, you can monitor a space in or around your house remotely. The camera uses the internet to send the recorded footage to a NAS or your smartphone. If you want to control it with an app, choose a smart security camera. If it has camera surveillance, you can keep an eye on what is happening at home, 24 hours a day, even abroad. You can connect security cameras to the internet via a network cable or WiFi. You can save footage from an IP security camera with an SD card, network drive, or in the cloud.