Macau visa 30 days or less for indian on arrival?

I have rerun air ticket plus. 1500 usd dollar plus hotel booking (booking. Com) "is OK for entry. And secondly if I ll show there 7 days return ticket then they ll gave me visa for 7 days or 30 days I m little confused because I wanna to live there more so if I ll show there more days extra ticekts there ll be problem for fund show and less chanse for entry so can anyone tell me.