Vanquish 315 All in One Grow system includes one 4K 315 CMH bulb. Unless you mention it in comment section, system will include 4k bulb. Optional 3k bulb upon request in comment section. Features dual ports for linking/daisy chaining multiple units together. Compatible with other CMH units on the market for daisy chaining. Also includes both 120/240 plugs. Be sure to check out our Vanquish Master Light Controller that can control up to 200 lights (100 per group with 2 groups). 3 year warranty on ballast and 1 year on bulb.