1,COB LED ceiling light 2,COB,5/3w,230-400lm 3,Wiring,38/60 degree 4,Energe saver,effective ... : 220VLED Number: 1 Color Rendering Index: 75Color Temperature: 2800K-6500KLumen:230-400 Material:Aviation Aluminium(6063-T5)+LensModel:RYT-COB-T4Brand ... which paper will ignite without a spark or flame is 230°C. The lamp life of an incandescent is only an ...