Samsung Hanwha HRD-841 8-Channel H.264 AHD Digital Video Recorder

Hungarian, Greek, Norwegian, Finnish, Korean, Chinese, Japanese, Thai, Chinese(Traditional) Operating Temperature 0°C to +40°C(+32℉ to +104℉) Operating Humidity 20% ~ 85% RH Certification UL, CE, FCC, KC Power Input DC12V Adaptor(100~250V AC ±10% , 50/60Hz) Power Consumption Max. 23W (3T HDD 1ea) Color / Material Black / Metal Dimension (WxHxD) W370.0x H44.0 xD320(14.57” x 1.73” x12.6”) Weight 3.4Kg (7.5lb) (3TB HDD 1ea) Protocol TCP/IP, DHCP, PPPoE, SMTP, NTP, HTTP, DDNS, RTP, RTSP, SNMP DDNS Wisenet DDNS Transmission speed [Analog Camera(NTSC/PAL) Transmission Bandwidth Max. 64Mbps Input/Output 4 CH / 1 CH Audio Communication 2-Way Max Remote Users Search(3), Live Unicast(10), Multicast(20) Security User access Log, Watermark Viewer Software SSM, Webviewer, Smart Viewer, Wisenet mobile