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How to choose the car dvr?

  • Author:Erik
  • Source:www.tigloncn.com
  • Release on :2015-03-18
In recent years, automotive supplies tachograph became the darling of the market. In addition to "Pengci" news increased, but also the increasing number of traffic accidents, prompting you to install the tachograph for his "testimony." In case of an accident, there tachograph video as evidence, does not clearly reasoned. But tachograph quality and prices vary greatly, as low as one hundred yuan has. Many riders in the purchase of the tachograph to know how to choose good tachograph, tachograph what brand is good? Editor gave today to share with you the most common purchase tachograph skills and misunderstanding, to prevent being fooled everyone.
First, the tachograph Price:
The reason you pay in the tachograph market, is interpretation of the head, especially those less than 300 yuan a tachograph, how powerful businesses to function even boast of, but in fact it is not far to, Editor also seen driving 69 yuan a table tachograph, its quality can be imagined, the cottage tachograph can not be so cheap, so we buy tachograph must not only look at the price, otherwise you The money can only be for naught. Excellent tachograph not less than 350 yuan. Cheaper chips will be used Novatek, your point is the use of high-end chip US Ambarella tachograph up.


Second, the driving record Brand:
Tachograph what brand is good? Tachograph market complex, the brand can be described as a dime a dozen, but now really be called big is not much, according to a lot of riders in recent years, the evaluation of view, such as iron Negron, Jie Du, lingdu, boats and other years Such high cost of most brand-oriented or good, but like HP, papago, DOD Taiwanese brands such tachograph expensive.
Third, the tachograph chip solution
Tachograph chip has Ambarella, Novatek, Zoran, too Xin, all-wise, Sunplus. Ambarella chip which is best, the cost is also high, so it will not Ambarella chips less than $ 500. Followed by Novatek, most current 300-400 yuan Novatek program uses. Therefore, I propose we must choose Novatek or Ambarella chips tachograph, both chips support HD shooting, and stable performance. Some tachograph businesses will not tell you their products used by chip model, this time we must be careful, it is possible that they used poor cottage chip, be sure to ask before you buy.
Fourth, the tachograph lens
Tachograph lens is also critical, and some tachograph lens made of resin or plastic material, over time, the lens will be deformed, shoot video will be very vague. Accordingly, the election tachograph when we must choose glass lens, like the current lingdu, Czech crossing, DOD and other branded products are used most of the six glass lens, good transmittance, high temperature deformation.
Fifth. tachograph night vision
Night vision tachograph low light performance is the product, not the shooting performance in the dull dark environment. Now with LED lights and infrared light is only a supporting role, and then fill light intensity nor the two headlights on, simply shine on the road, and according to the formation of reflective glass front sight video clearly serious impact degree, nothing fundamental role. Note that the tachograph is an optical device, the non-military night vision equipment, the absence of light environment is certainly not clear, generally have to rely on auxiliary headlights and streetlights. Editor tell you to pick a good night vision, we must choose a large aperture tachograph, general F2.0, F1.8 has a very good performance, F1.6 (the smaller the value, the larger the aperture ) best.