Features: 3014 LED chip: 18pcs chip arranged in dense light more focus.Universal 31mm festoon/C5W: just plug & play. Built-in intelligent IC driver: No error for 99% vehicles(Error-free /canbus). Festoon base for easy plug-and-play installation. With surge protection up to 18 volts and has an integrated aluminum heat sink Easy to install: direct replacement for your stock bulbs Specification: Bulb size: 31mm festoon/C5W/264, C10W, SV8.5 ，also fit 28-31mm LED chipset:  3014 21SMD-LED Chips Voltage: 12V DC Lumen:>300LM each bulb Light Color: White Temperature: 6000k This ITEM includes the most popular LEDs sold in the market today to fit well over 25,000 cars. Please note that some bulbs may NOT apply to your exact vehicle. Cross Reference:31MM Festoon = 560 578 211-2 212-2 214-2 2112 2122 etc. Transform your dull yellow lights into modern xenon white lights. These bulbs have been designed with built-in load resistors which will overcome the problem with warning errors and rejection.(98% Vehicles) Package: 2x 31mm-18SMD LED Bulbs