They're the newest improvements to Tamiya's Light-emitting Diode light product line specifically designed the Tractor Truck Option Parts Series. These Light Amber LEDs reproduce the yellowish-white light from halogen lights even though the existing White LEDs reproduce the bluish white light from HID lights. Both Item 56521 and 56522 include a connector allow usage using the Pick-Up Truck Multi-Function Control Unit (MFC-02) (53957) and Tractor Truck Multi-Function Control device (56511).
Package includes 3 LEDs. Light with 23" leads.