SiriusLED 3157 3057 Standard Socket Adapter Decoder for Car LED Turn Signals Daytime Running Fix Hyper Flashing Rapid Blinking Canbus Error Code Eliminator Warning Canceller LED Decoder, work only for car that need decoder to cancel hyper flashing on LED turn signal upgrade Size 3157 Standard socker, This is NOT CK socket please double check which one you need for your LED bulb Plug and play design, you don't need to modify your original socket and wire Decoder won't generate much heat like load resistor, no need to attach to mental Safe and easy to use, Please make sure your have standard 3157 socket and need decoder instead of resistor.