KAVASS Preinstall 1TB HDD 4CH Channel NVR Security Support HDMI H.264 Motion Detection PTZ Control ONVIF with 4pcs 720P High Resolution Wi-Fi Wireless IP Network Cameras 65ft IR Day Night Vision Viewed by Smartphone 720P HD Resolution,H.264 compression enables you with extended periods of recording, the footage records in real time so that when you play your footage back, it streams flawlessly and ensures that you never miss a thing Day night vision,View anytime, anywhere via internet IPhone, iPad, Android, and Blackberry Viewing via Free App 4 Channel NVR,4PCS 720P WiFi IP Network Cameras 1TB Hard Drive Preinstalled,The smart motion detection allows you to record only when motion is detected to save hard drive space without missing important events. You can even ensure that false alarms are avoided by setting the motion detection