Hikvision 4 Channel Turbo HD Upto 1080P DVR Machine-White

Video/Audio InputAudio Input: 1-chVideo Compression: H.264,H.264Analog and HD-TVI video input: 4-ch BNC interface (1.0Vp-p, 75 Ω)Supported camera types: Support HDTVI input: 1080P/25Hz, 1080P/30Hz, 720P/25Hz, 720P/30Hz,Support AHD input: 720P/25Hz, 720P/30Hz,support CVBS inputIP Video Input: 1-ch Up to 960P resolutionVideo Input Interface: BNC (1.0 Vp-p, 75Ω)Audio Compression: G.711uAudio Input Interface: RCA (2.0 Vp-p, 1 kΩ)Two-way Audio: 1-ch, RCA (2.0 Vp-p, 1 KΩ) (using audio input)Video/Audio OutputHDMI/VGA Output: 1920x1080 / 60 Hz,1280 × 1024 / 60 Hz, 1280 × 720 / 60 Hz, 1024 × 768 / 60 HzRecording resolution: When 1080p Lite mode not enabled: 720p/WD1/4CIF/VGA/CIF;When 1080p Lite mode enabled: 1080p lite/720p/WD1/4CIF/VGA/CIFFrame Rate: Mainstream:When 1080p Lite mode not enabled:For 720p stream access: 720p/WD1/4CIF/VGA/CIF@25fps (P)/30fps (N)When 1080p Lite mode enabled:1080p lite/720p/WD1/4CIF/VGA/CIF@25fps (P)/30fps (N)Video Bitrate: 32 Kbps ~ 4 MbpsStream Type: Video/Video&AudioAudio Output: 1-ch RCA(Linear, 1kΩ)Audio Bit Rate: 64kbpsDual Stream: SupportPlayback Resolution: 1080p lite/720p/WD1/4CIF/VGA/CIFSynchronous Playback: 4-ch