Features: 1.High?quality load resistors, it can prevent any dashboard errors caused by LED bulbs. 2.Solved most of the problems related to low current consumption when upgrading from halogen bulbs to LED bulbs. 3.Solve problems such as the error code of the on?board computer bulb off, flickering, radio interference, and the LED light turns off when the engine is started. 4.Wide range of applications, suitable for 1157, BAY15D, P21/5W bulbs, which has strong practicality. 5.The installation is simple and does not require complicated operations, convenient for using. Specification: Item Type: LED Decoder Material: Metal + ABS Voltage: 12-24V Light Source Power: 5W Application: Suitable for 1157, BAY15D, P21/5W bulbs Function: Used to convert halogen lamp into LED PackageList: 2 x LED Decoders