Electronic Ballast 1,T5 2,220-240v 3,8w/14w/21w/24w/28w Watt(W)Input current(A)Input frequencyPower factorTaTc80.06650-600.55-10...+5070140.11650-600.55-10...+5070210.09750-600.98-10...+5070240.1150-600.98-10...+5070280.1350-600.98-10...+50701,It is a good products for most t5 lamps.2,Best qualities with competitive prices.3,Certificate:CB,ROHS,ISO9001 CERTIFICATE.4,Delivery speed in time with ...