... tunnel lighting fiting, induction tunnel lighting, tunnel light, tunnel fixture, tunnel luminaire, 200W tunnel light, tunnel light 250W, energy-saving tunnel light, fluorescent tunnel ... -with LTTS rectangular shape lamps 40W-300W(color temperature 2700k ... % -power factor: >0.98-lamp working frequency: 200-260KH -wide ... . high efficiency & power factor save electricity consumption more than 60% comparing ...