Features Brand new. Perfect for Railway & Building Layout . Made with white LEDs. Complete with wires and LEDs and can be lighted. 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. Please apply correct Operating Current 20mA to each LED too. Note: Since the size above is measured by hand, the size of the actual item you received could be slightly different from the size above. Meanwhile, please be reminded that due to lighting effects, monitor's brightness / contrast settings etc, there could be some slight differences in the color tone of the pictures and the actual item. Specifications Brand: Evemodel. Size: Approx. 4.2cm(H) or 1.65''(H) Inch. Reference Scale:1:32~1:50,Suitable for O Scale. Operating Voltage: 3V, AC or DC Compatible. Operating Current: 20mA. Material:Plastic. Emitting Color:Warm White. Package included: 1pcs Complete lamps.