Kodicom4400 dvr card Features: Ch real time monitoring Ch time delay monitoring Supports two cards for ch real time monitoring Display and recording speed: A) pal: fps B) ntsc: fps Compression format: wavelet Resolution: A) pal: x , x , x B) ntsc: x , x , x Transmission network: pstn/isdn/lan/adsl/ddn Remote monitoring: ie browser & client software Remote modes: isdn, ddn, pstn, lan, wan, internet, adsl, modem System requirements: Motherboard: abit pe Graphic card: geforce or ati r m or better Memory: mb or more Hdd: gb- gb Cpu: intel cpu Operating system: windows /me/ /nt Windows directx . Or .