They're the most recent improvements to Tamiya's Light-emitting Diode light products and services specifically created for the Tractor Truck Option Parts Series. These Light Amber LEDs reproduce the yellowish-white light from halogen lamps whilst the current White LEDs reproduce the bluish white light from HID lights. Both Item 56521 and 56522 consist of a connector to enable usage combined with the Pick-Up Truck Multi-Function Control item (MFC-02) (53957) and Tractor Truck Multi-Function unit (56511).
Bundle includes 3 LEDs. Light with 23" leads.