Color: White/Red/Blue<br />Voltage: 12V <br />Size:Length: 1.72 inch(42mm/41mm)  Width:12mm<br />Fits part numbers: 569 560 576｣ｬ 578｣ｬ 211-2｣ｬ 212-2｣ｬ 214-2 etc. Festoon Dome<br />Built-in Circuit for 12V DC Power Input<br />Each bulb contains 4 pcs Ultra White 5050 SMD LED<br />Each bulb contains Heat Sink to prevent Overheat<br />Built-in CAN-bus controller｣ｬ no bulb out error｣ｬ no flickering<br />The bulbs have the built in Can-bus load resistors and are made for European cars｣ｬ such as Mercedes-Benz｣ｬ BMW｣ｬ Porsche and Audi etc..<br />Used for Car Interior Map Lights ｣ｬ Dome Lights｣ｬ License Plate Lights ｣ｬCargo Area Lights｣ｬ Side Door Courtesy Light｣ｬTrunk Lights etc<br />Notice:All LED bulbs have to be plugged in a certain way｣ｬit has Positive and negative｣ｬ so if they don't work at first｣ｬ quickly take them out｣ｬ turn them around 180 degree｣ｬ and put them back in again<br /><br />1) Ultra bright and durable LED/SMD bulbs<br />2) 50｣ｬ000 working hours｣ｬExtremely long lasting life<br />3) Easy install plug and play<br />4) This 4-SMD Error Free LED bulb will replace most stock 39mm to 42mm festoon bulb such as 6411 578 211-2 212-2 or 214-2 bulb.<br />5) Canbus type LED are designed to work with vehicles with Canbus type systems such as Dodge/Jeep/Chrysler where normal LED bulbs may not work. They prevent flickering and other canbus related issues on most vehicles<br />6) Please note: These light bulbs are slightly wider than original stock bulbs｣ｬ please make sure your car's