SMAKN&reg; 40W 5V 8A Built-in Industrial Power Switching Power Supply Board Module Input voltage range: AC 85- 265V 50/60HZ or DC100V-370V Output voltage range: 11.90-12.1V Output Current Range: 0A to 8000mA Peak current:10000mA Volume: length * width * height = 10.8 * 6.2 * 3 (cm)