urgent help please- TV BOX....

I want to buy a TV tuner box external.i have decided to buy Frontech FT External LCD TV Box JIL 0617 with FM TV Tuner Card

( Frontech FT External LCD TV Box JIL 0617 with FM TV Tuner Card | Tv Tuner Card | Flipkart.com )


It supports aspect ratios 4:3, 16:9, 16:10 BUT mine is Samsung 740n with 5:4 ... does it cause any problem ???? will i be able to watch full screen if i buy the product ???? thank you