1TB hard drive pre-installed, the wired cctv camera system is ready to record. You could set up to auto, manual and motion detection recording, and you could remote playback and live view the video on the app. You can setup the detection zone on home camera system DVR to minimize false alarms. When there is an object moving in the recording area, the APP would receive push notifications immediately. Enjoy crystal clear image(1920x 1080) both day and night, night vision covers up to 65ft and 75°view angle. With IP66 grade, weatherproof security cameras can be used indoors and outdoors. 60 days replacement, we offer a professional life time tech support! Package: Option 1: 4 camera+DVR+1TB Hard Drive 1 x 8 Channel DVR with 1TB hard drive pre-installed 4 x 1080P Bullet Camera 4 x 60FT CCTV cable for camera 2 x 12V/2A power supply 1 x 1 to 4 power splitter cable. Option 2: 8 camera+DVR+1TB Hard Drive 1 x 8 Channel DVR with 1TB hard drive pre-installed 8 x 1080P Bullet Camera 8 x 60FT CCTV cable for camera 3 x 12V/2A power supply 2 x 1 to 4 power splitter cable. Option 3: 4 camera+1TB HDD DVR+1Pcs HDMI Cable 1 x 8 Channel DVR with 1TB hard drive pre-installed 4 x 1080P Bullet Camera 4 x 60FT CCTV cable for camera 2 x 12V/2A power supply 1 x 1 to 4 power splitter cable 1 x 5ft HDMI Cable. Option 4: 4 camera+1TB HDD DVR+1Pcs VGA Cable 1 x 8 Channel DVR with 1TB hard drive pre-installed 4 x 1080P Bullet Camera 4 x 60FT CCTV cable for camera 2 x 12V/2A power supply 1 x 1 to 4 power splitter cable 1 x 5ft VGA Cable. Option 5: 8 camera+1TB HDD DVR+1Pcs HDMI Cable 1 x 8 Channel DVR with 1TB hard drive pre-installed 8 x 1080P Bullet Camera 8 x 60FT CCTV cable for camera 3 x 12V/2A power supply 2 x 1 to 4 power splitter cable 1 x 5ft HDMI Cable. Option 5: 8 camera+1TB HDD DVR+1Pcs HDMI Cable 1 x 8 Channel DVR with 1TB hard drive pre-installed 8 x 1080P Bullet Camera 8 x 60FT CCTV cable for camera 3 x 12V/2A power supply 2 x 1 to 4 power splitter cable 1 x 5ft VGA Cable.