100% brand new， high qualityIf the LED does not light up， simply flip it 180 degrees (reverse the polarity) ★Total 60 SMD LEDs Per Bulb， there are 48 SMD LED chips on side and 12 SMD LED chips on the top.This can be use for the turn signals，or backup/reverse lightsThese bulbs can be used on many light applications for your vehicle.Immediate response and vibration resistant.Cross Reference: 3157，3156， 3456， 4156，3157A， 3157NA， 3057， 3155， 3357， 3457， 3757， 4057， 4114， 4157，3156 Features：Color Temperature: 6000K~6500kColor: White and orangeVoltage: 12VLifespan: 50000 working hoursTotal Luminous: 450 LmSize: Diameter 20mm， Length 48mm (0.78"*1.89")ATTENTION: For vehicles that has the daytime running lights that also function as turn signal lights， please add the load resistors. These resistors are necessary to both compartment to function properly.Package include:2 X 3157 60 LEDs Bulbs