1.type:TC-100,300,2000,5000 2..good quality and ... or 220V 4.good after-sale service TC-100 Step Up and Down Transformer 1.type:TC-100,300,2000,50002..good quality and ... 220V4Output voltage:AC220V lr 110V5.good after-sale service TC-type step-up & down transformer is specially designed for such electronic equipment whose rated ... safe for use within the rated voltage range. st step-up down transformer