This is a circuit board with several warm white LEDs (2700k), for the "Donnerbüchsen" / "Thunder Box" passenger cars based on 4313 / 4314 / 4315 in the Märklin H0 program. A capacitor to prevent flickering and provide consistently bright lighting is built into the circuit board. Mounting hardware is included.

For "Donnerbüchsen" / "Thunder Box" passenger cars based on 4313 / 4314 (coaches), the 73301 pickup set is required.

For "Donnerbüchsen" / "Thunder Box" passenger cars based on 4315 (baggage car), the 73302 pickup set is required.

This product is a cooperative project with the firm Viessmann Model Technology, Inc.