OUR ADVANTAGE: Buy with confidence, we provide "ONE YEAR" warranty guaranteed! | VERY BRIGHT: Use 4 High power 5050 chip LED bulbs, 2 times brighter than traditional bulb. Easy to install, just plug and play. | APPLICATION: Built in CAN-bus error free controller, no flicker. DC 12V, can be use for license plate light, interior map lights, dome light, trunk cargo room lights, side door courtesy light, dash board light, instrument lamp door light, reading lights, glove box lights. | Cross Reference: 6411, 560, 569, 578, 211-2, 212-2, 2112, 2122 or 214-2. | LONG LIFE and ENERGY SAVING: Low power consumption and low temperature support a long life of 50000+ hours life time. Use the newest technology, consume electricity only 6% of traditional lamps