400 WATT EQUIVALENT COMBO KIT INCLUDES: 4 - 100 WATT CFL VEG BULBS(6500 K), 4 - 100 WATT BLOOM BULBS(2700 K), 1- 100 WATT CAPACITY SOCKET AND CORD, AND 1- 4 WAY SPLITTER. COMES WITH 2 SETS OF 4 BULBS. 1 FOR VEGGING AND 1 FOR BLOOMING! USAGE IS ONLY 92 WATTS PER SET. LOW IMPACT, LOW WATTAGE AND USAGE, AND LOW MAINTENANCE CFL GROW LIGHT FOR VEG AND BLOOM PHASE. BLOOM BULBS ARE 1600 LUMENS PER BULB!! 6400 LUMENS TOTAL!!! 2700 K SPECTRUM! VEG BULBS ARE 1600 LUMENS PER BULBS. 6400 LUMENS TOTAL AS WELL! 6500 K SPECTRUM! FITS E26 AND E27 BULBS! GREAT FOR SLEEK OR HIDE-AWAY PERSONAL GROWS! (USUALLY CLOSET OR SPEAKER GROWS!) HELL, CHECK YOUTUBE FOR CFL GROWS. IT'LL SURPRISE YA! :) I USE THEM FOR VEGGING MY GARDENS AND CLONING WITH GREAT SUCCESS. THESE ARE ALSO GREAT FOR SUPPLEMENTAL LIGHTING FOR EXTRA SIDE GROWTH OF ANY AND ALL PLANTS. START SAVING ON YOUR ELECTRIC BILL NOW, YET GET THE GARDEN YOU WANT AND REAP GREATER REWARDS!! BUY WITH CONFIDENCE! THANKS FOR LOOKIN'! NO INTERNATIONAL RETURNS OR INTERNATIONAL DAMAGED REPLACEMENTS!