... 100% load test Full range of input voltage output voltage accurate and stable Output over-voltage, over-current and short-circuit protection ... Output low ripple and noise One year warranty Average working no trouble >50,000 hours 15W, 24W, 40W, 60W, 100W ... , 120W, 150W, 200W, 350W, 400W available. 12V/24V DC 350W LED Power Supply