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Car GPS navigation systems homogenization, the best before you buy, look at several brands, to see if the feature is applicable, at the same time try to choose the good reputation of the well-known brand in the market, and to the regular Web site to buy, to get a good service protection, to avoid some businesses "exit strategies" result in losses. Car GPS navigation system market brand more and complicated, and focuses on the GPS product quality after-sale maintenance, and purchase famous brand products, and ensure product quality and after-sales service and users' interests can be relatively Car GPS navigation device in the "core components" is not a hardware device, but their use of maps and navigation software. Due to special reasons, the map provider is the relative concentration of the different version but then the price impact will directly affect the actual results, map version, should understand clearly the use of the product update cycle, updated, and it is charged, how to give businesses support and other issues. So buy the GPS needs to pay attention to product performance, rather than blindly buy cheaper products. Concerned about product performance, but also instructions there are exaggerated and misleading, such as tracking sensitivity, because the index is one of the key parameters of the GPS performance, the current manufacturer of the indicators are the subject of high, but in fact, because there is there is no clear test method, the indicators of a lack of actual sex. To buy a car GPS navigation systems do not forget the annex to check the package. Should carefully check to see product brochures, car bracket, power supply, memory card, data cable is complete, if the shortage must be proposed on the spot for businesses padded accessories or change without unpacking new. Proposed purchase of the car GPS navigation systems, but also should require businesses to issue official invoices for the evidence to protect their interests in the future, fill out the warranty, to the business question more clearly the circumstances under which products can be returned, warranty and other matters. Prior knowledge, better safe than worry lit better! "You pay for," although the words of wisdom, but also to live it. Many brands of car GPS navigation systems currently on the market, quality, service, inevitably mixed, some unscrupulous businesses to consumers seeking high-quality high psychological omnipresent advertising, then these costs are included in the cost of the product by the consumers will ultimately foot the bill. The price is not low, but the function is not necessarily different. April 19 with the increase of the busy road vehicles, Pengci events become more and more endless Pengci events, television and newspapers,Main products: car dvd, car gps and car dvd player are with good quality. all the time do not tighten the nerve of the majority of riders. How to solve variety of Pengci accidents For the protection of the legitimate rights and interests of the riders, the constant introduction of the world's smallest dual cameras tachograph SG-28 through the lens photography can be vehicles on the way image, voice recorded, stored in the memory card. When the unexpected happens, you can playback video data used for analysis and evidence collection, and to protect the legitimate rights of the driver. With constant SG-28 traffic recorder for real-time monitoring, you can rest assured driving!
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