... Safety standardsAccording with GB4943, UL60950-1,EN60950-1 standards.E M C standardsAccording with GB9254, EN55022 class A EN61347-2-13: ... 2008 standardsEnvironmentalworking temperature- 20 ° ~ 60 ° c / 20% ~ 90% RH (no frost)Storage temperature- 40 ° ~ ... 85 ° c / 10% ~ 95% RH (no frost)height above sea levelleq2000MStructureSize (mm ...