Our company has been using the conscience meter in the industry, and the driver's response is quite good. The Chinese characters are displayed, and even the instructions are omitted. There is a company management card, which is convenient to insert once a month; The quality is also excellent, almost no problem; The most commendable thing is that their service is quite good, the phone can be connected at any time, and their attitude is great and professional; The price is a little high, but it's worth it.