Q3：How much is your monthly income?
Above 8000 Yuan
Q4：Do you use the projector often?
Yes, I do
No, I don't
Q5：Do you have standard on the size of projecting pictures?
I want big pictures
I want small pictures
Every size is OK!
Q6：What kind of projector do you tent to used it?
Q7：What do you often used projector for?
Q8：Do you think connecting computer to computer is too complicated?
Q9：When you used projector connected to computer, whether or not any problem?
Usually have problem
This situation is very few
Not any problem
Q10：Do you think the projector is too heavy?