... ~85%StorageHumidityRh10~90% led round panel light Features= Novel design: LED Panel Lighting, light full, soft, spectral purity, ultra-high brightness, ... greater than 90%, 60% energy saving, life span is up to 50000 hours.= Stable Performance: Apply to AC80-265V/50 ... frequent turning on and off.= Environment friendly: Using new LED light source, no mercury, lead and other hazardous substance, no ...