Voltage support for 220 ?
Yes. It is a dual voltage flat iron.100-240v be supported!
Is it a swivel power cord? How long is it?
Yes. It is a US plug with swivel cord. The length is 6.56ft.
How does the plate work?
100% TItanium floating Titanium Plates! It makes frizz free.
Whats the maximum temperature?
450F
Can it do the curling waves?
Yes. It is 2 in 1. Both The Curling and Straightening be OK.