GENSSI 60 SMD LED Light Bulbs Switch-Back Dual Color Amber/White (1157) (Pack of 2) GENSSI(TM) 60 SMD Amber / White Switch Back LEDs. Emits White for tail light function and Amber color for turn signal. Dual color function (30 White / 30 Amber SMD LEDs) Voltage: 12V-15V DC Notice: For turn signal function, you may need a 50W resistor installed to prevent the LED bulbs from hyper flashing (Fast Flashing or OBC errors). May not work with all vehicles. 1157 2057 BAY15D