It's high quality and super bright LED,Small and exquisite appearance with existing socket
Dual Chip: Different from before our sale item, 42 SMD LED chip bright in Amber when turn signal, When back to Parking / DRL, also all SMD Chip Bright in White
Items are standard 3157. They also can be used for 3047 3057 3155 3156 3157 3157LL 3357 3454 3457 3757 4057 4114 4114LL 4114K 4157 4157LL - If your sockets are not standard 3157, the bulbs may not fit the sockets perfectly, some small modification may be needed - Not compatible with CK sockets.
Application: Front Turn Signal Light / Switchback
you might need to add 50W 6-Ohm load resistors or change flash rely to prevent the LED bulbs from hyper flashing.