Up to 1000+ -Watt Maximum Capacity (Step Up/Down)- Voltage Converter transformer. Heavy Duty Step Up/Down (220v to 110v converter, 110v to 220v converter) Please note: This converter is designed only for European/Asian 220V (Single Phase), it will not Work with American 220 (Dual Phase, Not designed for US 220V) This transformer device makes no noise while in use, a completely silent and easy to use and it does not take a lot of space This voltage converter transformer has new efficient toroidal transformer technology to ensure efficiency. It is 20% lighter than traditional transformers. Weight: 8.5 lbs., Dimensions: 8.25" X 6.5" X 3.75" This voltage converter transformer has dual circuit breakers protection for each Voltage (120V & 220V). Our Units are CE Certified