... - Alloy 2, power factor: 0.6 3, low light degradation 4, exquisite dasign good quality e27 4w led par20 PAR20-72-1W4 ... entering the environment5) Maintenance free, easy installation6) Power factor of 0.67) Low power consumption, high intensity.8) Excellent color rendering ... 10 Work Temperature -20°C~50°C 11 Power Factor 0.6 12 Consumption Power 4.5±10% 13 Over-voltage ...