... ) Fever small, 90% of the electrical energy into visible light (incandescent electric energy conversion 80% for the heat,only 20 ... % of the energy into light energy) The required voltage,current smaller,less heat, not produce security risk, in the mines and ... such as led corn light, led streetlights,led high bay light,led t8 tube light,led panel light,g12, led wall light.SNC independently test ...