US consoles (ntsc/uc) runs in 110/120V, whereas asian consoles is running on 220/240V

plugging the us console directly into M'sia power outlet will destroy your us power brick, or worst your console.

you need to either buy a step-down power converter or change the power brick to the 220/240v version.

b4 you decided on the purchase, check if the games you wanted to play is it region free and available, else you will be stuck with a console with limited games to play with