Autolizer 1157 7528 2357 Turn Signal White/Yellow Dual Color Switchback LED LighT Bulbs 22 SMD - For Standard Socket (Pair of 2) 22-pieces high power 5730-chipsets. Dual color, unlike the traditional dim Amber color, our high powered Amber chips emit very bright golden light. Gold/White 1157 switchback used as Front Turn Signal Light / Parking/DRL lights. Xenon white light up for parking lights or daytime running lights. Gold/Yellow light up for turn signal lights.The turn signal lights flashes in "Yellow-off-Yellow-off" mode, which makes it easier to see. Standard 1157, Cross Reference: 1157 1157A BA15s S25 2057 2357 2357A 7528 P21/5W 2397 90 94 1004 1034 1142 3496 7528 2057A 2357A etc. For some high powered cars like Dodge, Ford, BMW etc, you might need to add 50W 6-Ohm load resistors or flasher relay to prevent the LED bulbs from hyper flashing, error codes, or other lightning disorders. Work for dual-function lights that have both the parking/DRL light and turn signal function in one bulb. Our bulbs come with Standard Base, NOT CK Type.