So for the commercial use,also known as traditional projector by many .This type of projector uses a traditional high-pressure mercury lamp, and the advantages are very obvious:
1. the brightness is very high, usually 3000ansi lumens ---5000 ansi lumens.
2. Very big screen from 80inches---300inches
3. Very good for Educational use, training classrooms, conference room presentations, and even home theaters
4. Need the addition of audio or something, if you want to create a home theater at home and watch movies. You can invite three or five friends to watch football and K songs at home, and the atmosphere is also first-class
5. In addition, the projection has no radiation and will not harm the eyes.