The light tube is well made and has a pleasant light. A little tip for defects / Cause search. For me it came about that a neon lamp in a different room an overvoltage caused as the connected network in LED tubes gave up the ghost. The LED lamps were but not broken but only the rectifier component that sits in black Kunstoffkasten the power cord. This component is not expensive and can easily be replaced by a skilled worker. Thus, the hose can also reparieren.Der defect but occurs only when the defective neon lamp was switched on and was not on the LED tube.