Notice:It doesn't work with Original sega megadrive 2 MD2 Genesis 2/3 consoleIt only works with high copy sega megadrive 2 MD2 Genesis 2/3 consoleUniversal power adapter, switching power supply transformerThe power supply for voltage requirements for the 8.8v-9.2v range, the current demand within the device 1a or 1aDC power applied to the electrical needs 9v1a development board, removable hard disk, etc.The power supply voltage is suitable for all kinds of needs 9v 1A 1A or below current DC input products, can not overload to use!Power selective attention, you need to follow to select the voltage consistent electrical current is equal to a higher than the required current power supplyInput voltage (INPUT): 100-240V 50-60HzThe output voltage (OUTPUT): DC9V-1APower (MAX OUTPUT POWER): 9WOverall length: about 1 meterDC Plug: 5.5*2.5MM