This camera has 4K resolution and records in 1080P. The camera aims down and across to capture a full r oom, if mounted in the corner and half the room if installed in the center. This camera records onto a SD Card, but there is also an option for Cloud storage. This Camera connects to your home Wi-Fi and can be view on your phone live and you can watch the playback remotely. Watch Live Video Anywhere from your Phone. Access Recorded Video from Anywhere using your Phone. This camera uses your existing wiring inside you ceiling. Just take down your existing detector and install the new one.