The answer is “durability”. Over 90% GPS tracker still work well after 5 years using. The client can’t find obvious difference between fifotrack GPS tracker and others during first two years after installation. However, from the third year, you can find obvious difference performance in durability between us and other common brands. Based on nearly 10 years consecutively observation and statistics, including face to face local visit feedback collection, we can provide this conclusion: you can expect over 90% GPS tracker products still work well after 5 years using.