... voltage Range:AC220-240VVoltage Frequency:50-60HZPower factor:>0.85Total Harmonic Distortion:<20%Power consuption:2w,3w,4w,5w,7w,9w ... production,raw material check,Lights beads check,aluminum plate check,power supply check and the finished products 48 hours test. ... voltage Range:AC220-240VVoltage Frequency:50-60HZPower factor:>0.85Total Harmonic Distortion:<20%Power consuption:2w,3w,4w,5w,7w,9w ...