... ,RoHS,UL 3/very good temperature control 4/japan technology led lamp 50wProduct spesification:No 1Basic ParameterLED Qty1pc2Operation VoltageDC110V/220V3MaterialAluminum+Glass4Shape ... of broken glass6.Maintenance free,easy installation7.Low Power Consumpition,high intensity8.Solid-State,High shock/vibration resistantApplications:1. Bus,Shuttle,Railcar passenger ...