Main Processor Industrial Grade Embedded Micro Controller Huawei Hisilicon Chipset,Operating System Embedded LINUX Operating System,Operating Interface Win8 Style, User-defined UI, Mouse Operation, Menu Languages English, French, German, Russian, Portuguse, Spanish, Greek, Italian, Finnish, Romanian, Swedish, Arabic, Bulgarian, Czech, Hebrew, Japanese, Chinese, Display Screen 1/4/9/16, Video Standard PAL(625 TV Lines, 50fps); NTSC(525TV Lines, 60fps), Image Encode H.264(High Profile), Monitor Quality D1, VGA, HDMI, Playback Quality 1080P/960P/720P, Encode Capability 16CH Realtime 1080P, Decode Capability 9CH Realtime 1080P, Motion Detection 192 Detection Areas(16x12), Multi-level Sensitivity(Level 1-6), Privacy Mask Subjected to IP Cameras, Digital Zoom Yes (both live view and playback), Audio Compression adpcm, Two-way Audio 1 CH, Realtime Video Recording 16, Recording Mode Manual Recording, Motion Detection Recording, Time Recording, Alarm Recording, Snapshot Yes, Local Playback 1080P x 9CH / 720P x 16CH, Video Search Time/Date/Event/Channel Search/Slice Search, Space Usage Video 720P, Video Storage Local Hard Disk, Network, Backup Mode Network backup, USB Portable HDD, USB DVD-RW, SATA DVD-RW, Video Input IPC x 16CH, Video Output VGA x 1CH, HDMI x 1CH, BNC x 1CH, Audio Input/Output 16 CH IP Audio Input, 1 CH Output, Alarm Input/Output 16CH Input, 4CH Output, Network Port 1 x RJ45 10/100M/1000M Base-T Self-adaptive Ethernet Port,PTZ Control Yes, USB Port 2 x USB 2.0, HDD Port 4 SATA HDD (Max 16TB), Wireless Port 3G & WIFI (via USB2.0 extension), Remote View & Control Internet Explorer, Mozilla Firefox, Google Chrome, Opera, Safari, Mobile Surveillance iPhone, Android Phone, Network Protocol ONVIF, DHCP, PPPOE, FTP, DNS, DDNS, NTP, UPNP, WEB, CLIENT SOFTWARE, SDK, P2P(Plug to Play) Exclusive Cloud Server(No IP Address Forwarding, No DNS Settings or Other Network Settings),Key Function Motion Detection, Privacy Mask, P