This is a battery charger for remote control items. The model number is A587500671. It is a New Bright R/C 9.6V Lithium Ion Charger for use with Lithium Ion battery packs.
The input voltage (what comes out of the wall) is 120VAC 60hz 8w.
The output voltage on this transformer is 13V 440mA. The battery specification is 9.6V 500mAh LifeP04.
This is able to be used in the USA as well as Mexico, Venezuela, US Virgin Islands, Trinidad & Tobago, Taiwan, Suriname, St. Kitts & Nevis, St. Maarten, Puerto Rico, Palau, Panama, North Korea, Nicaragua, Morocco, Montserrat, Micronesia, Madagascar, Libya, Liberia, Japan, Jamaica, Haiti, Honduras, Guyana, Guatemala, Guam, French Polynesia, El Salvador, Ecuador, Dominican Republic, Curacao, Cuba, Costa Rica, Colombia, Cayman Islands, British Virgin Islands, Brazil, Bonaire, Bolivia, Bermuda, Belize, Barbados, Bahamas, Aruba, Anguilla, American Samoa,
Outside of these places you can use it with a voltage adapter.