Electronic Ballast 1,220-240V 2,Easy to use 3,Minitype 4,OEM offered TypeWatt(W)Input current(A)Input frequencyPower factorTaTcOut put(v)KLET-0320-600.2850-600.98-10...+5070121,Best qualities and very competitive prices.2,Convenient to use because of the minitype.3,Certificate:CE,CB,ROHS,ISO9001 certificate.4,Delivery speed in time. electric ballast 20-60w KLET-03