... barndoor, electronic ballast/conventional ballast, and head to ballast cable. HMI 1200W Compact Complete with lamphead,4-leaf barndoor, electronic ballast/conventional ... . Lamphead with 4-leaf Barndoor Universal Electronic ballast 575/1200W Conventional Ballast 1200W 7m/15m Head to Ballast Cable StandSize(mm): 295Lx340Wx440H ...