... , hospitals, building lighting,entertaining facilities, multifunctional halls, office, malls and indoor/outdoor decorations,speciality Store, villa. Hi sir or madam ... ballast from 8w-58w,with a lamp,two lamps,three lamps and four lamps.(We also have T8 to T5 adaptor ... . We can make our products to fit various line voltage, frequency, environment and luminaries as per the customer's requests. Please ...