... standard in Canada/USA (110/120V) appliances Techical parameter110v TO 220v power converter 500W-3000W 1)We just have real ... 1000W, 2000W ,3000W voltage toroidal transformer for selling, welcome to choose. apply to power amplifier, CD, electric tools, printer and other ... electric appliances Caution: Do not use this 500W converter to operate appliances exceeding 500 watts,Otherwise, it would be ...