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Wholesale 4CH Real-time D1 USB DVR
| Key Specifications/ Special Features: Can do 4CH real-time D1 preview and CIF hardware compression Video/ audio channel: 4CH video/ 4CH audio 25fps/ channel Compression mode: H. 264 main profile Display resource: 100fps video and audio (PAL) and 120fps video and audio (NTFS) Display resolution: more than 1024 x 600, recommend 1024 x 768, 1024 x 600, 1440 x 900, 1280 x 1024, 1600 x 900 and 1920 x 1080 pixels Preview resolution: D1 (PAL: 704 x 576, NTFS: 720 x 480 pixels) Record resolution: D1 (PAL: 704 x 576, NTFS: 720 x 480 pixels) Hard disk usage: 100 to 400MB/ CH/ hour PTZ protocol: supports many kinds of protocol Record resource: 100fps video/ audio (PAL) and 120fps video/ audio (NTFS) Support all kinds of laptop and PC Network function: supports DNS and easy to surveillance by internet OS: Microsoft's Windows XP/ VISTA/ 7 Accessory: 1pc software CD |
