Top notch Manufacturer For You It's always WISE to choose a professional&large manufacturer1.SUNZOOM is market tested supplier of backlit mirrors, high quality and large manufacture capabilities approved! 2. SUNZOOM is a manufacturer that ETL approved big factory facilities and strict quality control system. Four times check each year, we are proud to get approved!3.For US and Canada customers, SUNZOOM can offer you the advantage of safe listing,the ETL certificate for complete lighted mirrors,not just the componets!4.ETL File number 5004391:Conforms to UL Std. 962,Cert. To CSA Std.C22.2 No. 250.0-08. SUNZOOM can also apply for ETL certificate under your own name to help you build your own brand or expand your business.