Product Specifications: Socket Type: 9006/9005 Voltage: DC 12V Maximum Current: 4A Package Included: 2 x LED Headlight Decoders Product Function: Can detect and solve problems such as LED headlight failure/bulb reflection, excessive flashing, no flashing, or bulb burnout indication. The decoder is a capacitive decoder that transmits pulse signals to solve the annoying problem of LED headlight flickering. The decoder is made of high-quality materials, wear-resistant, durable, and can be used for a long time. Installation Method: LED warning canceller is easy to install, no need to modify wiring, plug and play setup Note: -Our decoder can only be used for LED bulbs, not HID. Please make sure our socket type is suitable for your car before purchasing -If the light does not light up after installation, please rotate the plug because sometimes the polarity is reversed.