Description: Best used for front turn signal lights w/ dual functions as parking lights(DRL) and turn signal lights. During driving mode, white color SMDs will light up. During turn light model, amber SMDs will flash. The 3 dimensional design of this item let it lights up front and all 4 sides. This listing is for a pair (2 pieces) of High Power 3157 dual-color 20-SMD LED switchback bulbs for front turn signal lights. There are 20 pieces of 5630 -SMD LED chips on each bulb(10 pieces white 5630 -SMD chips and 10 pieces amber 5630 -SMD chips). Specification: Material: aluminum Size: 18 * 60MM Type:3157 5630 20SMD Voltage: 12V LED Color: White & Amber Driving Mode: White (10 pieces of white 5630 -SMD chips) Turn Light Mode: Amber (10 pieces of amber 5630 -SMD chips) Fit to:Double-filament sockets 3157 3357 3457 4057 4157 4357, etc Package Includes: 2 x LED bulbs Note: This is standard 3157 bulb, DO NOT FIT 3157CK/SRCK type socket. For turn signal lights, you might need to add a pair of 50W 6-Ohm load resistors to avoid hyper flashing and low wattage issue. This LED product is only for replacing stock dual function parking(DRL)/front turn light bulbs. Please make sure stock light is switchback light
