Includes: 4-cameras for comprehensive monitoring & recording ability Four High Quality CCD 420TVL weatherproof cameras with IR night vision Nightvision upto 20m 320GB of storage idea for all your security footage requirements Included 17 meters of extension cable per Camera H.264 real-time high compression & supports dual stream network transmission Supports remote view with mobile phones based on Symbian S60 3rd 5th edition Windows Mobile iPhone amp Blackberry Aplayer Free iPhone App for remote viewing avaliable from Itunes Store Supports pentaplex operation live view record playback backup & network transmission Supports real-time internet remote viewing with IE browser CMS PC Software with easy to use graphical interface Download from website Smart motion detection & recording schedule Standalone Linux 2.6 operation system ADPCM audio compression Supports USB (Universal Serial Bus) mouse Supports backup amp upgrade with USB (Universal Serial Bus) flash disk Supports DDNS Supports audio transmission via network Supports control of PTZ pan tilt zoom cameras via built-in RS-485 port Selectable packing time for recorded files Supports editing camera title- Supports adjusting image color Event camera pop-up function Supports VGA output max. resolution 1920 x 1200 Alarm modes Motion Detection Video loss HDD full HDD loss Email alert function- With free-drag digital zoom functions for live viewing Supports up to 1 x 1TB SATA HDD Technical specifications DVRModel KG-SHA104 4CH Video Compression H.264 Video System NTSC PAL Optional Operation System Linux Video Input Output BNC 4-channel VGA 1-channel BNC 2-channel Audio Input Output RCA 1-channel 1-channel Audio Compression 8k Hz 16bit ADPCMDisplay Frame Rate PAL 100 fps NTSC 120 fps Playback Resolution PALCIF352x 288HD1704x 288 D1704x 576NTSC CIF35 Recording Frame Rate PAL100fps CIF 25fps D1 50fps HD1NTSC30fps D1 60f Recording Mode Always schedule motion detection Recording Pack Time 15304560mins selectable HDD Interface One fixed HDD rack supports up to 1TB SATA HDDUSB removabl Network Interface RJ45 10M100 M Network Protocol Support TCPIP DHCPDDNS PPPo E Network Function Support to live view with IE Internet Explorer amp with m USB2.0 USB (Universal Serial Bus) mouse USB (Universal Serial Bus) disk backup upgrade Playback Playback 4 channels at the same time Playback Search Date time file list Playback Mode PLAY SLOW FWD Frame by frame Backup Backup via USB (Universal Serial Bus) flash disk USB (Universal Serial Bus) HDD disk USB (Universal Serial Bus) CDDVD-RW amp Network PTZ Control Built-in RS485 support PELCO-P amp PELCO-DAlarm Mode Motion Detection video loss HDD loss HDD full Power Supply DC 12V3A power adaptor included Power consumption 10-15 W exclude HDDWorking Temperature 50 F to 104 F 10 to 40 Dimension 30022455mm Wx Dx H