The Hikvision 4 Channel DS-7604NI-E1/4P/A Series full HD NVR can fit 4 IP PoE cameras at the same time, saving you time from buying extra switches. The Hikvision 4 Channel DS-7604NI-E1/4P/A Series NVR records up to 1080p full HD , 3MP and 5MP this unit supports all channel image display on one screen at the same time, supports 4 channels image display in the mainstream and 4 channels synchrounus playback. It is easy to set it up to be viewed remotely just download a free app into your Smart phone and follow the instructions on your User Guide Manual. You can watch your property while you are out and also you can watch it on your Internet Explorer Browser. The Hikvision 4 Channel DS-7604NI-E1/4P/A Series does standard functions such as motion, schedule, masking , all these features are included in the NVR unit. You can also have a notification email sent to you while motion is triggered. The maximum memory capacity is 4 TB, therefore you can have ultra long recording, you can easily back up your data on a USB stick if needed, supports search, playback and backup by event. The Hikvision 4 Channel DS-7604NI-E1/4P/A comes with a remote control, mouse, UK 3Pin Power adapter, manual, installation cd optional Hard Drive and one year warranty.