【H. 265/H.265+ 8CH 5MP Lite Full 1080p HD-TVI DVR】--With the advanced H. 265 technology, which could double the data compression ratio, keep the high quality video even with low bit-rate, it allows you to maximize storage space and enjoy ultra-long recording. | 【Compatible with 720P,1080P ,5MP Security Cameras System 】This 8 Channel 4-in-1 DVR which supports analog, HD-TVI, CVI, AHD camera. It provides you the flexibility to add 8pcs 720P,1080P,3MP(12.5fps),4MP(12.5fps),5MP(12.5fps) CCTV Security Cameras | 【Mobile Remote Access】Setup with ZOSI Smart and scan QR code to access real image on phone. Check in on your home or business wherever you have an internet connection. You can Live View & Playback on Smart Devices with WiFi or 2G/3G/4G Anywhere Anytime. | 【Customizable advanced motion detection and Email Alert】-- Be notified when there are unexpected movements. Smart notifications with image will be pushed to your smartphone via ZOSI Smart App. And you won't miss any moment with remote and local playback. | 【No include cameras and hard drive】-this system does not come with cameras and hard drive. Assembling a 3. 5-Inch SATA 500GB to 2TB hard Drive is necessary. DVR can be set to automatically overwrite the oldest internally stored footage or you can transfer those video files by USB to a memory stick or external hard Drive.