Item Volt. Watt Lum   Life(hours) Pcs/Ctn Ctn Size (mm) T8 20w 220/110v 20w 1100 8000 30 1270X235X160 T830w  220/110v 30w 1650 8000 30 1270X235X160 T8 36w 220/110v 36w 1980 8000 30 1270X235X160