Detailed Product Description car led lampProudct Features:1: This lamp 1156 led turning light is energy saving , it can replace the orignal 21W car bulb directly .2: Inside Electronic Component after passing several test to make sure its Steady performance, deterioration is about 20% 3: 1156,1157,3156,3157 Socket is available 4: We can do T25 with 7pcs ,11,12,13,19 pcs led like this design.