This 12V power supply is used for 2x4 kit series. It's provided with interchangeable plugs for US/EU/UK/AU. 

Specifications: 

Input:100-240V,50/60 Hz 0.5A

Output Voltage:5V,±5% tolerance.

Output Current:2A max..

Output Power:15W max.

Output Over Current Protection:Over load less than 120% of full load.

Voltage Ripple & Noise:100mV

Efficiency:＞70%

Insulation Resistance:Input to output: 50M OHM at 500 VDC.

Dielectric Strength (Hi-Pot):Input to Output 3kVAC, 60 sec. Cut off current 10mA Max

Protection Function:Over Voltage Protection;Over Current Protection;Short Circuit Protection;Thermal Shutdown Capability.

MTBF:50,000 hours

Ambient Temperature: 0℃ ～40℃

Relative Humidity: 10% ～ 90%

Safety Approval:UL,CE,GS,SAA,PSE,KC,FCC,S-TICK.

Standard:EN60335/61558/EN60950

Dimension:69*41*28MM