... Load Regular:0.50% R&N: 80mV, Efficiency:85% led switching power supply Key Specifications/Special Features:120W, 12V 10A ... In-out:≥ 50m Ohms, DC 500V In-ground: ≥ 50m Ohms, DC 500V Out-ground: ≥50m Ohms, DC 500V Environmental requirements: Operating temperature ... supply are special in manufacturing the led sign, led box, 12V led strip and more. 120W led switching power supply with Overload Protection ...