1. led power supply, power supply led, 12v power supply 2. built-in EMI filter ,100% load test 3 ... % 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 ... , 200W, 350W, 400W available. 12V/24V DC 350W LED Power Supply