Would work better as a closed book case
1 20 wattts of power if you had a hydro system with a hps light of 20 watts and you know what your doing you would get 10 grams.
if the bucket is 4 inches, the light is 4 inches and light to plant top is 4 inches That 12 inches with only 12 in of grow space.
Growing narcartics is not hard its blooming it that get rough, a bad plant will stink up the house. Spend you time looking around on growing pot, it will be the best money you can spend.
Stealth growing is like hidding a cow, it smells ,it make noise, it requires lots of air, it likes the right temp. PLUS any cop can find that Stealth grow in about 10 seconds, if he is blind.
Use the desk lamp to read up on narcartic growing, get a tall cabinet , with air in take, air movement, carbon filters, plastic to prevent leakage, and full size full service mag ballast.
Spring is in the air grow outside, trust no one, tell no one. and read