Usage Tips:1Function: Solves problems caused by low current draw when using LED bulbs upgraded from halogen bulbs, preventing OBC, on board computers, warning error codes, vehicle specific Canbus errors, hyper flashing, non flashing, bulb rejection, or bulb burnout indication, etc. 2Load Resistor: Pre wired for direct plug and play use, bypassing wiring such as conventional load resistors. The load resistor will ensure that the LED bulb lights up at full power without failing issues 3Interference Elimination: LED decoders feature highly efficient interference absorption circuitry to eliminate interference and prevent bulb flicker. 4Plug and Play: The LED bulb canbus decoder comes with plug and play AMP connectors, eliminating the need for complicated wiring or connections. 5High Durability: Fully immersive structure, providing water resistant and weatherproof, high durability, and consistently stable quality, even in harsh environmental conditions. Item Type: H4 LED CANbus Decoder Interchangeable Part Numbers: for Canbus No errors Connector Type: H4 Voltage Range: DC 9-16V Rated Voltage: 12V Maximum Current: 3A Rated Output Power: 35W Application: No Error Load Resistor Decoder Canbus for installing aftermarket LED sets Fitment: Fit for H4 headlight models 2 x H4LEDCANbusDecoder