... ,Fixed time function Set time is 30s,60s,90s.5,Induction of automatic open: not6,Using life 35000-50000hours.7,Solidification ... tube have a very high temperature when they give out light. The temperature is at 50°C-70°C in general ... the tube, they will be scald. However, LED produces cold light not hot when it is used. We will not be ...