WOW,YOU TALK ABOUT A POS 160.00$ 400W LIGHT AND WHEN I SAY HTG SELLS GARBAGE YOU GO AND SHOW ME A TOP OF THE LINE 270.00 DOLLAR DIGITAL BALLAST.IM NOT SAYING THAT EVERY PRODUCT THAT HTG SELLS IS NO GOOD BUT THERE IS NO WAY IN HELL WOULD I EVER PLUG A 160.00 COMPLETE 400W LIGHT SET UP IN MY GROW ROOM.YOU CAN CLEARLY TELL THAT THE PRODUCT IS NOT WELL MADE.