1. led power supply, power supply led, 12v power supply 2. built-in EMI filter ,100% load test 3.Full range of input voltage Product Electric ParametersInput ... filter 100% load test Full range of input voltage output voltage accurate and stable Output over-voltage, over-current and short-circuit ... hours 15W, 24W, 40W, 60W, 100W, 120W, 150W, 200W, 350W, 400W available. 12V/24V DC 350W LED Power Supply