... broken glass6.Maintenance free,easy installation7.Low Power Consumpition,high intensity8.Solid-State,High shock/vibration resistantApplications:1. Bus ... at most existing fixtures, easy to replace ·Low temperature with Mason's heat dissipation technology patents ·Wide voltages ... (low voltage models) ·ISO,ROHS,CE,UL qualifications ·1-3years warranty Japan Advertising High bright led lamp 50w with 4200lm ...