When on the bus hear two people in the chat, seemingly 30-40 years old, they talked as if content is related to the time attendance security door, listened to know that they are doing security, they recently just going to a higher safety performance of time attendance security door to improve the safety. After all, is the company’s staff and company resources to prevent it, the safety performance of time attendance security door this is relatively high so that they work out more relaxed, also can reduce the human, people use other places, improve the utilization rate of better. After listening to know the security department is now so advanced, the use of technology to the present.