Features: 1) 4ch real time audio and video recording, total 120 frames per card 2) H.264 compression method, not occupy the source of CPU 3) Support 32ch system, real time surveillance, record and playback synchronously 4) Multiple playback modes: fast forward, slow forward, fast backward, slow backward 5) Support WINDOWS MEDIAPLAYER 6) DVD picture, high clarity 7) Intelligent design, auto start and stop 8) Clear up the fragment of hard disk to ensure the no-stop recording 9) Auto and manual control P/T, support multiple protocols 10) IE view and playback through LAN, WAN 11) Auto store all operation events and alarm events 12) Accordance with PCI 2.1 standard 13) Support Windows NT, Windows 2000 14) Support OVERLAY and DIRECTDRAW, multi-channel simultaneous preview 15) G.726 audio compression 16) Video code ratio adjustable (20Kbps ~2Mbps) 17) Support CBR/VBR operation mode 18) Compatible with all types of PC motherboard, industrial control motherboard and display card 19) Support multi-area, multi-sensitivity motion detection and object detection 20) Support video capture and store in BMP format, high clarify picture 21) Overlay time and LOGO on the video image 22) Support Mosaic 23) Enlarge the picture when playback Video 1) Video input: 4channel composite video signal 2) Mode: PAL, NTSC 3) Resolution: 160 x 120, 320 x 240, 640 x 240, 416 x 240, 640 x 480 4) Frame ratio: 30F/S 5) Output code ratio: 70kbps-1000kbps 6) Video input port: BNC 7) Video input impedance: 600Ω 8) Video input range: Vp-p=1.0V Audio: 1) Audio input: 4ch audio input 2) Sample ratio: 8KHz 3) Output code ratio: 24Kbps, support 16Kbps 4) Audio: mono 5) Audio input impedance: 600Ω 6) Audio input range: Vp-p=2.0V, volume range 83DB Price Condition FOB SHENZHEN by T/T or L/C Origin CHINA Delivery lead time 1~7 days