... 3, low light degradation 4, exquisite dasign good quality e27 white 4w led par20 PAR20-72-1W4-XXFeatures1) Scientific design, ... Power 4.5±10% 13 Over-voltage Protection <120% 14 Over-current Protection <110% 15 Approbations CE ROHS 16 Net ... factories, commercial lighting, shopping malls, supermarkets, kitchen, display, backlight, home indoor lighting and so on. good quality e27 white 4w led par20