Replaces battery power with standard household current on:Radios, Calculators, Hand held electronics games, Cassette players and ToysLED lights indicate adaptor has output voltageSelect the appropriate adaptor for your productInput: Ac 110/240 Volts 50/60HzsOutput: Dc3, 4, 5, 6, 7.5, 9, 12, 15 VoltsLED lights indicate adaptor has output voltageSelect the appropriate adaptor for your productInput: Ac 110/240 Volts 50/60HzsOutput: Dc3, 4, 5, 6, 7.5, 9, 12, 15 Volts