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Vehicle Hard Disk Video Recorder VS Ordinary DVR
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| Update Time：2009.05.30 Views： |
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We are always asked by our clients, that is, what is the difference between Vehicle Hard Disk Video Recorder and ordinary Hard Disk Video Recorder? Actually, this is a professional question.
In light of their uses, there is no big difference, and they are all used for monitoring and recording. However, there is a big difference in light of their working environment.
1. Working Voltage: Vehicle Hard Disk Video Recorder is 24V (direct current), while the ordinary Hard Disk Video Recorder is 220V (alternating current).
2. Cameras: Vehicle Hard Disk Video Recorder usually has 2 or 4 cameras, for both monitoring and picturing, while ordinary Hard Disk Video Recorder’ cameras are all for monitoring.
3. Hard disk: Vehicle Hard Disk Video Recorder adopts 2.5” mobile disk, with good anti-shock performance, while ordinary ones adopt 3.5”. In addition, the key feature of Vehicle Hard Disk Video Recorder is its mobility, and easy disassembling, or the monitoring information might be a big concern.
4. Anti-shock: Vehicle Hard Disk Video Recorder adopts professional anti-shock system, which can defuse shock of all vehicle types. Ordinary Hard Disk Video Recorder only adopts simple anti-shock system, or even no anti-shock system at all.
5. Working temperature: -40--+80°for Vehicle Hard Disk Video Recorder and -20°---+20° for ordinary hard disk recorder.
6. To sum up, in light of the function and performance, there is a great deal discrepancy between Vehicle Hard Disk Video Recorder and ordinary hard disk recorder, and you should make a good comparison before purchasing. |
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