Zmodo SPoE Security System - 4 Channel NVR & 4 x 720p IP Cameras with No Hard Drive Simplified Power over Ethernet- sPoE technology makes installation easy. One network cable per camera provides both power and video signal. 720p HD Cameras - With 720p color image sensors and 2.8mm lenses, the cameras allow you to capture images with 720p HD resolution. IR LEDs provide night vision up to 65'. 81 Degree diagonal field of view allows you to view a wide area. Free mobile app - Easily access the video on the Zmodo app (download required) for connection with select iOS and Android devices, so you can monitor your home or business while you're on the go. The app also has push alert features to send you an alert when the cameras detect motion. (App available for iOS 7 and up, and Android 4.0 and up Easy web interface - View live video from any web browser at user.zmodo.com. Simply log in with the same account information you created on the app, and you can view your cameras on a computer without any port forwarding or IP address hassle. Advanced recording features - Optional intelligent recording mode can save space on your hard drive, recording at fewer frames per second when no motion is detected and at maximum frames per second during motion.