Orpheck v4 version 2. This is the newest model.This unit is brand new in the box. I also have a brand new 48 inch full spectrum Orpheck led bar. The gateway version 2 is also included and also the Tank mounting bracket. The 4 Items cost me $1550. The first person with $950 gets it. A savings of $500. All brand new and never used equipment. You can Pm me or text me at 508 965 5488. Thanks Carl.