N Double blinker unit with 2 blue bulbs.
Blinker unit equips model vehicles with realistic blinking light. Special blink circuit which is mounted under the layout provides authentic rotating all-round light. Operation only by AC power allowed. Spare bulb item-No.: 3506 (2x blue), item-No. 3507 (2 x yellow), item-No. 3508 (2x red) and item-No. 3509 (2x clear).