Conair Barber Shop Series Professional 20-piece Haircut Kit, Home Hair Cutting Kit

Is it dual voltage ? i need to use it outside the us. with 220v?

Does the $30 version have Japanese blades too? Is it good for buzzcuts?

Where is it made?

can i get the size 1 replaced,i dont want to return the whole product. its just that size that does not? want to stay on.