Check the listing for details. LCX04 Model Railway Lamppost Lamps Mini O Scale LEDs Street Lights Set 20X. Color: Black+White, Condition: New. Listed at 17.08 USD. Features:Made with white LEDs.Perfect for Railway & Building Layout.Complete with wires and LEDs and can be lighted.Please apply correct Operating Current 20mA to each LED too.These Lampposts are suitable for use at supply voltages of 3V only.DO NOT use them on 12V or 16V directely to avoid damaging the LED.You must connect a resistor in series before you will use them on 12V or 16V, I will supply compatible resistors for free. Specifications: Material: ABS Color: As the pictures shown Emitting Color: White Height: 97 mm Operating Voltage(Without Resistors): 3V Operating Voltage(Use Resistors): 12V Operating Current: 20mA Package Included: 20 x Lamp 20 x Resistors Notes: Manual measuring, please allow 1 ~ 5 mm error,thank you. Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures.Please understand, thank you!