Fangrui Product Details 4-ch Embedded Digital Video Recorder Kit (1 4 Sharp Ccd, 420tvl, 24 X Ir Led, 6mm Lens, Ir Distance: 25m, H.264 (8204ev+622a) Technical Parameters 1) Main Specifications Features: Specific Description 2) Operating System: Linux Os 3) Video Compression Format: Main Profile H.264 4) Video Input: 4 Channels Bnc 5) Video Output: 1 Channel Bnc 6) Audio Input: 4 Channels Rca 7) Audio Output: 1 Channels Rca 8) Display: 19 Channel 9) Multiplex Operation: Live Display, Recording, Network Transmission, Recording, Backup, Mobile Phone Surveillance Simultaneously 10) Display Resolution: Pal D1 (704 X 576), Ntsc D1 (704 X 480) 11) Recording Mode: Timer Manual Motion Detection Alarm 12) Recording Frame Rate: Pal 25fps, Ntsc 30fps 13) Recording Quality: High, Normal, Low 14) Recording Resolution: Cif Half-d1 D1 15) Recording Playback: 4 Channel Playback Simultaneously (optional Playback Channel), Support Remote File Playback, Rapid Play By Times (fast Backward) Play By Frame Etc 16) Recording Backup: Support Usb Disk Backup, Moved Hard Disk Backup, Network Backup, Backup By Files, Backup By Time 17) Network Transmission: 4 Channels Real-time Network Transmission With Cif Resolution 18) Recording Display: Special Player, Support Avi File Format Conversion 19) Jpeg Capture Function: Support, 3m Pixels@10fps 20) Email Alarm: Send Pictures To The Designated Email 21) Support Ptz 22) Ptz Protocol: Pelco-d, Pelco-p 23) Hdd: Support 1 Sata Hdd, Capacity To 2tb (hdd Is Not Included) 24) Support Hdd Remain Time Hint 25) Network And Protocol: 1 Rj-45 10 100m Via Ethernet, Support Tcp Ip, Dhcp, Upnp, Dns, Ddns, Ntp Etc 26) Support Ie Browser 27) Support Client Software 28) Dual Stream: Support (main And Secondary Interchange) 29) Group Play: At Least Support Five Users Online Access 30) Support Multi-language 31) Mobile Phone Surveillance: Support Windows,