Check the listing for details. Led Light Bulb 10-24V MS4 - BA5S - E5.5 Socket White Model Railway Volt Bulb. Color: White, Condition: New. Listed at 18.53 USD. These LED lamps replace their conventional incandescent lamps for the model building area. The topic of heat development is particularly important in houses / wagons. These LED lamps have almost no heat radiation due to the efficient LED variant. All of our LED lamps have installed a small circuit board in the base, where a bridge rectifier was installed with an optimal dimensioned LED resistance. Work flicker -free & lights up even with incorrect reversal (important for analog DC mode, otherwise your locomotive is dark in one direction). Dimensions approx. (Height / diameter) - approx. 15mm / 5mm Socket - Ba5s plug -in frame (2 nipples - rest noses on the side) Attention, the gallery photos shown above are only used for illustration, * Road lamps House lighting Facade lighting L.