Is this Ok to Buy or not

[Yully]

Hi again ive been looking about for sume other stuff and i came along this if the image isnt working ill tell use what it is 400 WATT SODIUM - BALLAST IGNITOR +SON T LAMP i allready have 2 light shades soo all i would need is the Ballast also its hanging out how would i be able to cover it to make it look better and safer i wanna smoke the bud not shock me self to death lol or would i just be better going for a 400 watt kit for a more easier way

[DaMagoMan]

i allready have 2 light shades

bulb sockets/hood with cables attached?

[Yully]

i grew with envirolites the last time so i didnt need a ballast soo all i need is 1 now and i found 1 quite cheap on ebay thanks i found a different one now what has a cable and its seald so its safer and the ballast has a pulg attachment so all i would need to is plug it