Digital Electronic Ballast 1. PF:0.99,Energy saving 2. Pre-heat ... , Prolong lifespan,3 yeat Min 3. THD<10%,Green ballast Digital Electronic BallastSpecificationModel No.Power(W)Current(A)Power Factor(PF)Coefficient ... .4 √ T5HO/ 2 10000 756X30X28 Input voltage: 120V/ 277V AC Digital Electronic Ballast