9V 2A 2000mAh AC Power Adapter by SAFEWATTS Center Positive for Router, Speaker, Keyboard, DVD Player, Keyboard, Guitar and more, Connector 5.5x2.5mm Input: AC100-240V (worldwide use) - Output: 9V 2A 18W, DC cable Lenght: 1.8M / 6 - Foot. - Energy efficiency: CEC Leve 6 VI, Barrel type plug, with a positive (+) center polarity. Protection: Short circuit protection Over Voltage Protection Over Current Protection NOTE: Please make sure your device needs this exact Adapter, Voltage / Tip/ Positive Polarity