1. led power supply, power supply led, 12v power supply 2. built-in EMI filter ,100% load test ... Output over-voltage, over-current and short-circuit protection Output low ripple and noise One year warranty Average working no trouble ... , 24W, 40W, 60W, 100W, 120W, 150W, 200W, 350W, 400W available. 12V/24V DC 350W LED Power Supply