1. lens, more professional division, 500X detection lens and 2000x micro lens (500X detection lens can be used for industrial and textile inspection, integrated circuit surface inspection, while 2000x micro lens can be used for biological observation, such as microbial observation and section observation, etc.) 2. It not only can through to connect with mobilephones and tablets, but also can through the connect to a computers to view details, also compatible with multiple operating systems, and the real-time transmission will not stuck, the images is clear and clear at a glance. 3. With the tops light and the bracket two light sources, it can provide the illumination when the light is insufficient, the brightness also can be adjusted 4. Long time endurance up to 5 hours, 1800 MAH large capacity battery, charging can use more than 5 hours; 5. Metal spray painting focusing tube, touch, good handle, rolling zoom in and out more accurate;