... bay lamps with the power of 50-120W,can replace your old sodium and HID,saving power and saving ... offices,hospitals, schools, factories, commercial lighting, shopping malls, supermarkets, kitchen,corridor, display, backlight, home indoor lighting, building decorative lighting projects ... led daylight tube can take the place of traditional fluorescent tube light(T5,T8,T10,20-75W)without any ballast. We ...