84 Inch Wattage Selectable 360 Degree Direct Wire LED Sign Tube 4000/5000/6500KIntroducing Keystone's 360 Direct Wire LED Sign Tubes. The Sign Hero Direct Wire series from Keystone is the perfect replacement for conventional T12HO and T8HO fluorescent lamps in double sided sign applications, or as a direct wire solution for new sign builds using mounting bracket accessories eliminating the need for socket powered wiring. Featuring Keystone Power Select Technology provides 100%, 75% or 50% output for cabinet depth flexibility and