... ,no risk of mercury emission.4) Vibration resistant Easy to transport and install.5) Aluminum body with excellent thermal ... voltage Range:AC220-240VVoltage Frequency:50-60HZPower factor:>0.85Total Harmonic Distortion:<20%Power consuption:2w,3w,4w,5w,7w, ... through 5 checks during production,raw material check,Lights beads check,aluminum plate check,power supply check and the finished products 48 hours ...