Auxbeam B21 Series 3157 Switchback LED Bulbs Built in Resistor CANBUS Error Free Anti Hyper Flash T25 3057 3457 4157 Bulbs White and Amber 600 Super Bright Turn Signal Light DRL Parking Light

CANBUS ERROR FREE Super compatible for standard sockets rather than CK sockets No hyper flash no warning With builtin 2023 CANBUS system the 3157 dual color bulbs can alleviate decoding problems Note NOT fit TOYOTA TUNDRA and TOYOTA TACOMA For super few sensitive models such as Silverado RAM 150025003500 and Ford F150F250F350 extra resistors are needed or get from us 600 EXTREMELY BRIGHT Sequencing 36Pcs 2023 Upgraded high brightness 3030SMD chips precisely around each 3157 led bulb 28W per bulb High Power and 600 brighter providing 6500K Cool White light or 3500K Amber Yellow light Instanton response without warmup time More noticable when turning guard your driving safety DUAL COLOR FUNCTION This 3157 switchback led bulb with resistor lights up cool white for parking lights or daytime running lights DRL but amber yellow for turn signal lights Unlike most turn signals flashing amberwhiteamberwhite on the market the Auxbeam 3157 turn signals flash amberoffamberoff making it easier to see from a distance 4LAYER COOLING SYSTEM IP68 waterproof and dustproof The builtin 2023 stable current IC driver avoids digital or VHF radio signal interference The 2023 latest cooling system 12000RPM silent fan Copper cooling ring 16Pcs heat sinks 6063 aviation aluminum lamp body directly doubles heat dissipation ensuring longer lifespan up to 60000 hours NOT FIT CK SOCKETS Only compatible with US standard sockets Please refer to the CK sockets precautions on the pictures Designed to be polarity sensitive and if the bulbs dont light up please flip the plug and try again Fit socket 3157 3157A 3157NA 3057 3057A 3457 3457A 4057 4157 4157NA T25 etc No drilling no wiring no damage just Plug and Play 360FULL CLEAR BEAM Each 3157 led bulb provides 360 full illumination without dark spot or shadow If any questions or flashing issues please message us for free solutions