... Output power: 3×1W Size: 22mm * 15mm * 12mm Output Voltage: 9.3V Output current: 320MA Efficiency: over 73% Power Factor ... supply, to prevent risk of electric shock. 4,This wide voltage LED spotlight driver uses a high efficiency, low consumption, ... test, low temperature testing and efficacy testing. 10,Overload, over voltage, over current protection, primary and secondary isolation, to ensure the ...