Select the largest possible buffer cache, can bring smoother video and better memory card compatibility. This refers to night vision night vision illumination performance is the product, not the kind of excellent products with LED light and infrared light, and then a strong fill light nor two headlights off, simply not shine on the road and according to the formation of reflective glass front, tachograph seriously affect vision video clarity, nothing fundamental role. Remember that with a fill light products come from the hands of the cottage manufacturers, just to hype the product of more than a gimmick to fool buyers do not understand the truth has been. Purchase at the time of purchase needed goods parametric analysis, analysis of the shooting angle, video resolution, compression format, caching, video can be manually turned off if an emergency video, do not interfere with other automotive electronic products, whether with cards and so on. Monitoring questions about parking: parking monitor electricity needs to take a long, can be bought directly Jie Du parking monitoring dedicated line (available tachograph evaluation network), in order to ensure the lowest ignition battery power, so that the car can be well protected battery, and will not for a long time is not caused by the battery deficit, the Czech Republic can take an ordinary buck crossing the line - but certainly for a long time (over two days) parking, it is best to turn off the machine, unplug the power supply or directly what tachograph brand is good, in order to ensure that the battery is not deficit. Each logger with parking monitoring parking time required to manually switch to the stop mode, and then making the admission, parking, admission surveillance for 24 hours, a moving object is detected, then the video will be automatically saved to the MD / VMD beginning of the file, you can file name + date to find the beginning of the video. To enter the traffic pattern newest tachograph, the machine will go through about 10 seconds to recognize automatically admitted driving mode. Some models are required to enter manually adjust traffic admission mode. Friends can be adjusted according to actual specific models. Hello everyone! Our high-quality members on special launch anti-profit activities reported purchase of the customer; in this New Year's day, to celebrate the new store opening Dragon Sound Jazz (Honda car industry Plaza Third District layer C06); Thanks for the new and old customers love Membership has its rebate card number (depending on the number of rebate purchase amount (1 ~ 5000 yuan rebate), no membership card to participate in the new and old customers to purchase (purchase during the event to send the membership card with the next purchase) Time: 2014 December 25 to February 16, 2015; activities address: Honda car industry plaza three district level C06; rebates products: According to purchase volume rebates, members purchase volume reached 1060 yuan send tachograph (5 million pixels), MP3MP5 machine, purchase the greater the amount returned to award more of the company's products to make reasonable suggestions into the store has gift activity Methods: Member into the store and polite, phone QQ micro letter stock company micro letter: 13939076266 thank you for your support, thank you for your love, relic feedback new and old customers. integrity of life, collect your letter recognition tachograph what's the use, increase my self-confidence, your support times gratified ^ O ^, thank concern, thank you for your support! reputation of the best driving recorder, Dragon Jue (certified), tachograph provided by Zhengzhou Grand Dragon Car Audio Co., Ltd., Zhengzhou Dragon MG Car Audio (www.888ltj.com) is a leader in Zhengzhou, electronics, electrical products manufacturing equipment, Over the years, the implementation of scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. In Dragon MG Car Audio leadership with the staff warmly welcome all inquiries negotiations to create a better car stereo Grand Dragon future.