The Power Adapter AC to DC 12V 2ADC 12V 2A Switch Power Supply Adapter Input Voltage: AC100V-240V Output Voltage: DC 12V Output Current: 2A Length of the cable: 90CM Double jack Output adaptor jack size: 5.5x2.5mm + 4x1.5mm the adapters jack inside positive (+) outside negative (-)Shell Material: Plastic case High cost effective, reliability with industry standards PWM design, make sure the stability and high efficiency of power supply. The Power Adapter AC to DC 12V 2ADC 12V 2A Switch Power Supply Adapter Input Voltage: AC100V-240V Output Voltage: DC 12V Output Current: 2A Length of the cable: 90CM Double jack Output adaptor jack size: 5.5x2.5mm + 4x1.5mm the adapters jack inside positive (+) outside negative (-)Shell Material: Plastic case High cost effective, reliability with industry standards PWM design, make sure the stability and high efficiency of power supply. The Power Adapter AC to DC 12V 2ADC 12V 2A Switch Power Supply Adapter Input Voltage: AC100V-240V Output Voltage: DC 12V Output Current: 2A Length of the cable: 90CM Double jack Output adaptor jack size: 5.5x2.5mm + 4x1.5mm the adapters jack inside positive (+) outside negative (-)Shell Material: Plastic case High cost effective, reliability with industry standards PWM design, make sure the stability and high efficiency of power supply.