YITAMOTOR 2x High Power 7W 3157 Projector Backup Reverse Super White LED bulbs T25 3057 4157 Package Includes: Two Pieces of 12V 3157 High Power CREE 7W LED Light Bulbs. LED Color: Pure White (6000K-6500K),Dimensions:20mm(0.79")x51mm(2.01"), Luminous flux: about 500-600LM, Placement on Vehicle: Left, Right, Front, Rear Cross Reference: 3157 3057 3457 4157 3047 4057 4114(For Reference Only) Application: Backup Reserve Tail Brake Light. Also Great replacements for Tail,Stop, Brake, Turn Signal(need load resistor), Parking Light. Common use for Car, Truck, Trailer, RV, etc. US Based Company, Specialized in LED Lights. You are buying directly from the MANUFACTUER!100% Satisfaction Guranteed!Free shipping Via USPS First Class Package. For 48 continental states, you will get them in 3-5 working days.