Salvador and Manaus have 127-Volt service. Recife, Brasilia and a number of other cities have 220-Volt service. Clothing Tropical suits are necessary and, with neckties, are the customary official attire all year round. A dark, lightweight suit will be useful for formal evening occasions. Dinner jackets are rarely worn.
Women wear light cotton dresses in the summer.
In the winter, warm clothing is suitable for Southern Brazil. The sunlight is extremely bright and sunglasses are recommended. Vaccination None is required. The official rate of exchange for other currencies is published daily in the main Brazilian newspapers. Foreign currency or travellers checks can be exchanged for Reais at hotels, banks, and travel agencies.