This is a wired system, not wireless. DVR comes with NO Hard Drive. (Can view, but not record). See clearly Even if Night Falls. Enrich your vision with 1080p resolution and 80ft night vision. You can block out the selected areas on the screen for privacy. 265+ provides better image quality, reduces bandwidth and saves storage space. Playback the significant evidence or funny video records by time searching. 24/7 records, schedule records, motion detection records, recycle records are available for your choice.