Easy-to-test clients can take a picture within 90 degrees of the camera, and if the range is larger, it is difficult to take a camera again.

Easy test client camera comes from Easy Test Education Technology Co., Ltd., which was established on 20 17, 10, 18. The company's business scope includes: research and development of educational software, research and development of educational projects and educational research documents, development and maintenance of computer software and hardware, planning of educational and cultural activities, and educational information consultation.