Applications:industrial high/low bay 1, 50% energy saving over HID up-92%with control options 2, exclusive reflector design optimizes light output for high fixture efficiency 3, available in 4'and 6'length from 2 to 8 lamps -3000k-6500k color temp. 4, high color rendition provides better quality light with less input wattage 5, instant lamp re-strike allows option sensors and other control options 6, excellent lumen maintenance long initial lumen output 7, pre-lamped-wide range of mounting options for quick installation Energy efficiency A-4 lamp, 234 wattage T5HO Hi-bay replaces 400watt HID fixtures on a one for one basis saving 50% on energy costs, additional energy saving of up to 90% may be realized when using a motion sensor in conjunction with other control options Input watts /Lumen output 4-lamp=234watts/20000 lumens 6-lamp=351watts/30000lumens Construction Housing 2o gauge steel plate with powder coating finish sockets:Italy stucchi socket reflector:Miro IV or 320 from Alanod lamp:T5HO Options 2, 4, 6, 8 lamps available lens kits and lens unavailable different color housing avaible reflectot adjusting unavailable