... ° LED beam angle available.2. Driver is rubber-mounted for vibration resistance.3. All fasteners, rings, and nuts, including the bracket, are ... alloy quality,Anti-UV,Anti-corrosion dealing etc.;Driver detailed & long time test;LED chip color temperautre,CRI,lumen efficiency test;2 ... order's progress is shown to all relative perons in software and board Every Day.3). Aging test:36h aging test to ...