4频道H.264监测安全录了500

Item codepackage includedS8004H-D (1)H.264 4 CH Stand Alone DVR with VGA with 500G Hard Drive (2) 4X 1/4" Sharp CCD 420TV line 24pcs IR LED, 6mm lens, IR: 25m (3) 4X camera Brackets & camera charger (4) 4X 20M power/ Video all in one cable DVR Feattures H.264 real-time high compression, support dual stream network transmissionStand-alone Linux2.6 operation systemGraphics & Windows OSD interfaceSupport D1, HD1 and CIF recording resolutionADPCM audio compressionSupport pentaplex operation: live, record, playback, backup, net transmissionSupport to operate with USB mouseSupport remote view with Mobile Phones (based on Windows Mobile, Symbian S60 3rd & iPhone)Support to backup & upgrade with USB flash diskSupport to real-time remote view with IE (Internet Explorer)Support to transmit audio via networkSupport PTZ control via built-in RS-485 portSelectable packing time for recording filesSelf-recovery after power reconnectedVGA outputDVR SpecificationVideo CompressionH.264Video SystemNTSC / PALOperation SystemLinuxVideo Input / OutputBNC 4-channel inputs / 2-channel outputsAudio Compression8kHz*16bit ADPCMAudio Input / OutputRCA 4-channel inputs / 2-channel outputsDisplay Frame RatePAL: 100fps / NTSC: 120fpsPlayback ResolutionPAL: CIF(352x288), HD1(704x288), D1(704x576)NTSC: CIF(352x240), HD1(704x240), D1(704x480)Total Recording Frame RatePAL: 25fps@D1, 50fps@HD1, 100fps@CIFNTSC: 30fps@D1, 60fps@HD1, 120fps@CIFRecording ModeAlways / schedule(motion & sensor triggered)Recording Pack Time15/30/45/60mins selectableHDD Interface1 fixed SATA HDD rack, support up to 1TB HDDNetwork InterfaceRJ45, 10M/100MNetwork ProtocolSupport TCP/IP, UDP, DHCP, DNNS, PPPoENetwork FunctionSupport to live view with IE (Internet Explorer) & with Mobile phonesUSB2.0USB mouse, USB disk (backup, upgrade)PlaybackLocal: playback 4 channels simultaneouslyNetwork: playback 1 channel simultaneouslyPlayback ModeNormal play, fast forward, fast rewind, frame by framePTZBuilt-in RS-485 port, support PELCO-P & PELCO-DBackup MethodsUSB flash disk, USB disk, USB CD/DVD-RW & NetworkAlarm ModeMotion Detection, Sensor triggered, video loss, HDD error, HDD fullSenor & Alarm I/O4 sensor inputs / 1 alarm outputPower SupplyDC 12V/3A (power adaptor included)Power Consumption10 15WWorking Temperature-10°C to +40°CWorking Humidity10% to 90%Dimension300 x 220 x 47mm (W x D x H)VGAwith 1 VGA outputCamera SpecificationImage sensor: 1/4-inch color Sharp CCD camera Resolution (H x V): PAL: 512 x 582 pixels NTSC: 512 x 492 pixels Scanning systems: PAL and NTSC Horizontal resolution: 420TV lines Minimum illumination: 0 lux and F1.2 S/N ratio: >48dB Video output: 1.0Vp-p, 75Ω Auto AGC, white balance and backlight compensation Exposure mode: EE Electronic shutter speed: PAL: 1/50 to 1/100,000 seconds NTSC: 1/60 to 1/100,000 seconds Gamma correction: 0.45 Internal synchronization IR LEDs: 24 pieces IR view distance: 25 to 30m Lens: 6 or 8mm Power supply: 12V DC Operating temperature: -20 to +50 degree Celsius