Yes! Argentina has different outlets than what we have in the US. Below is a link to an adapter you can purchase on Amazon. https://a.co/d/eqFzI7w
Yes. Buses will be departing from hotel Casa Lucia at 4:30pm sharp to take you to Palacio Sans Souci. For the return, buses will be on-going starting from 10:30pm - 2:30am. Drop off will be at Casa Lucia.