... , EN55022 class A EN61347-2-13:2008 standardsEnvironmentalworking temperature- 20 ° ~ 60 ° c / 20% ~ 90% RH (no frost)Storage temperature40 ° ~ 85 ° ... 100% load test Full range of input voltage output voltage accurate and stable Output over-voltage, over-current and short-circuit ... trouble >50,000 hours 15W, 24W, 40W, 60W, 100W, 120W, 150W, 200W, 350W, 400W available. 12V/24V DC 350W LED Power Supply