... time function Set time is 30s,60s,90s.5,Induction of automatic open: not6,Using life 35000-50000hours. ... -volume. 2. Energy-saving. As low-power devices, LED's actual energy consumption is very low. For instance, ... touch the tube, they will be scald. However, LED produces cold light not hot when it is used. ... in production costs. However, the normal life of LED is 35000-50000 hours. Its life is more than ...