Series resistors for connection to 12-16V are included. About this item [ALL-IN-ONE LIGHTING SOLUTION] This set comes complete with 5 LED lamps and corresponding resistors for easy integration into your railway layout. [VIBRANT LED LIGHTS FOR MODELS] The use of LEDs guarantees vibrant illumination that elevates the realism of your model scenes while remaining energy-efficient Easy Installation: The plastic construction makes these lights lightweight yet sturdy for placement throughout your model layout, with simple connection options that work with both 3V DC or AC power sources for flexible integration. Complete Set Value: This package includes 5 lattice mast lights plus 5 series resistors for 12-16V connections, giving you everything needed to illuminate... Industrial Track Light Fixtures H Type Track Lighting, Miniature LED Model Rail Lights, Lattice Mast Lamp Post, H0 Scale 1:87 Layout Building Train Landscape Decor From Ddmysmile, $91.44 Age advice: Not for children under 14 years. Scale Model Compatibility: Designed with 1:87 scale, these lattice mast lights are perfectly sized for H0 gauge model railway layouts, adding realistic illumination to your miniature world while enhancing the authenticity of your track scenes. Please also apply the correct operating current 20mA to each LED. Product specification: Condition: brand new. Connection voltage: 3V DC or AC., Amperage: 20mA. These lamps are only suitable for supply voltages of 3V. Character: brand new and high quality. Safety Considerations: Built with model enthusiasts in mind, these lights operate at a low 3V with 20mA current, requiring the included resistors when connecting to standard 12-16V transformers to avoid damaging the LEDs and insure longer operational life. 5 Pack LED Lights With Resistors 4 Pack Model Railway Lights HO Scale LED Yard Light For Model Train Railroad Street Station(A Model Train Lights DO NOT use it directly on 12V or 16V to avoid damaging the LED. Perfect for rail & building layout!, Made with LEDs.