1. H.264 4ch dvr card 2. Techwell 6805 chipset 3. Warrant: 2 years 4. Provide OEM language ... 6804 Digital Surveillance Recorder Board MAIN FEATURESPCI High Speed Interface;Techwell 6805 chipset;10bit Comb Filter; Higher Video Quality;H.264 ... , Client SoftwareRemote transmitLAN, PSTN, ISDN, DDN, ADSL, INTERNETOperating systemWINDOWS 2000,XP, 2003, 7, only 32bitSystem requirementCPU: Intel Dual 2.0G for ...