HBW Series transformer (GS ,CE ,UL ,ITS Approval ,IP64 water-proof),Input 220V, Output 12V ,100W-500W in your pools ' selection HBW Series AC/AC Adaptor (GS ,CE ,UL Approval ,IP64 water resistant )Input : 220V ,110V optionalOutput :12VWatt : 100W ,150W,300W,400W,500W optional Transformer --HBW series