1.CCC,CE,CB,UL 2.five years warranty period 3.fast delivery 4.high stability 5.no glare,flikering and instant start 50w self-ballast induction lamp low frequency street lamp HB50W-MA MBProduct details- induction lamp Tube modelHB50w-MA/MBrated luminious flux3500lmeffective luminious flux4800-5800Plmscrew typeE27 E40shape dimensions172*154*170mmpacking size240*225*190mmPackaging gross weight0. ...