Features： - MPEG-4 image compression - ADPCM Audio compression - Built-in Web server, IE client support - Max. 30fps image compression - Max. 30fps image transmission - D1, CIF, FIELD, QCIF Resolution - Support DDNS - Support Motion detection and watermark - Support Watchdog - 22X Optical zoom, auto focus Lens - TCP/IP, ARP, RARP, ICMP, DHCP, FTP, HTTP, and SMTP protocol support - Remote snap shot and video recording - Self-contained FTP server & E-mail sending function - Free multi-screen management software. - Applicable in schools, banks, communications, posts and telecommunications, electric power system, video conference, high-class hotels, multinational enterprises, chain stores, home security etc. Specification Sheet Model TK-3927 Browser MS Internet Explorer 4.0 or Later Netscape 4.5 or Later WIN98，WIN2K，XP or above Hardware CPU 32Bit RSIC Embedded Processor OS Embedded Linux Flash Memory 8Mb RAM 16Mb Standard Audio Compression Algorithm ADPCM Internal Input 1Ch External Input 1Ch Output 1Ch Network Protocol TCP/IP,HTTP,ARP,RARP,ICMP,DHCP,FTP,SMTP Network Line 10 -100Mbase-T LAN(RJ-45) Video Compression Algorithm MPEG-4 Compression Rate 10:1-200:1(typical30:1) Frame Rate Max 30 frame / sec Internal Input 1Ch External Input 1Ch Output 1Ch Resolution D1:720?76 CIF:320?88 FIELD:720?88 QCIF:176?44 CCD Module Device 1/4" CCD Horizontal Resolution 480TV Lines Minimum illumination 0.1Lux S/N Ratio More than 48db Digital Zoom 22X Optical Zoom,10X Digital Zoom Aperture Auto Iris Focus Automatic Backing Compensation on/off switch Pan/Tilt Turn Angle Horizontal:360癡ertical:0?90? Turn Speed Pan: 240?S Tilt:120?S Pre 64 Dimension 7" Management and Software Flash memory allow new version software s through TCP/IP network Security Password Protection IP Address Fittering Watch Dog Image Encryption Alarms and I/O Motion detection Automatic e-mail and file sending MISC function High quality image area ting Periodical image sending through e-mail and FTP Pan/Tilt/Zoom Control RS-485 ting Indoor/Outdoor