Power supply for SEGA Mega Drive I, Master System I + II / AC-DC Adapter 9V

Universal power supply for SEGA Master System I + II, but can also be used for other SEGA consoles. Compatible consoles: SEGA Master System I (the original flat model) SEGA Master System II SEGA Mega Drive I (the first wide model with volume knob) SEGA Mega-CD 1 & 2 (the accessory for Mega Drive) SEGA Game Gear (note: only the models that require center-negative power; always check the label on the back) Input: 100-240V Output: DC 9V 1A