IC Realtime DVR-MAX508D Max Series 8-Channel D1 1.5U Standalone Surveillance DVR with 500 GB Hard Drive; Embedded LINUX Operating System; 8 channel video inputs; 4 channel audio in/1 channel out; All channel D1(4CIF) realtime recording; HDMI, VGA output up to 1080p, 1 TV, 1 spot; 8 channel alarm in & 3ch relay out, RS485; 20 Max. User Access; 8 channel sync realtime playback; 4 SATA, 1eSATA, 2 USB, RJ45 (1000M); Resolution 1920x1080, 1280x1024, 1280x720 and 1024x768; Bit Rate 48~4096Kb/s; Record Interval 1~120 min (default: 60 min), Pre-record: 1~30 sec, Post-record: 10~300 sec; Recording, PTZ, Tour, Alarm, Video Push, Email, FTP, Spot, Buzzer & Screen tips; Mobile Phone Surveillance - iPhone, iTouch, Blackberry, Nokia, Android; Up to 12 TeraBytes (12,000GB) Internal Storage, Internal HDD: 4 SATA ports(4HDDs or 2HDDs + 1CD/DVD-RW); Up to 16 TeraBytes (16,000GB) External Storage, External HDD: 1 eSATA port (Max 4 SATA HDDs)

ICRealtime's MAX series of DVRs come in a range of 4, 8 and 16 channel platforms. They are designed to provide an economical solution without sacrificing operational and recording quality standards. The MAX Series DVR uses H.264E (Enhanced H.264) compression technology based on the embedded high speed microprocessors and embedded LINUX operation system. This compression allows for clean viewing on the Internet over narrow bandwidth and dramatically increases storage space. This digital video recorder contains advanced web access, system integration and synchronized audio and video recording features that are suitable for various types of home and professional installations: stores, warehouses, homes, government agencies, education facilities, etc. - IC Realtime DVR-MAX508D Max Series 8-Channel D1 1.5U Standalone Surveillance DVR with 500 GB Hard Drive; Up to 12 TeraBytes (12,000GB) Internal Storage, Internal HDD: 4 SATA ports(4HDDs or 2HDDs + 1CD/DVD-RW); Up to 16 TeraBytes (16,000GB) External Storage, External HDD: 1 eSATA port (Max 4 SATA HDDs). Embedded Processor; Embedded LINUX Operating System. Resolution: 1920x1080, 1280x1024, 1280x720, 1024x768; Display Split: 1/4/8/9; Privacy Masking: 4 rectangular zones (each camera); OSD: Camera title, Time, Video loss, Camera lock, Motion detection, Recording. RECORDING - Video/Audio Compression: H.264 / G.711; Image Resolution: D1/4CIF(704x576/704x480) / HD1(352x576/352x480) / 2CIF(704x288/704x240) / CIF(352x288/352x240) / QCIF(176x144/176x120); Record Rate: Main Stream: D1/HD1/2CIF/CIF(1~25/30fps); Extra Stream: CIF/QCIF(1~25/30fps); Bit Rate: 48~4096Kb/s; Record Mode: Manual, Schedule (Regular(Continuous), MD, Alarm), Stop; Record Interval: 1~120 min (default: 60 min), Pre-record: 1~30 sec, Post-record: 10~300 sec. For full Specifications please see Product Picture number 2